caltrop definition

  • noun:
    • some of various plants for the genera Tribulus and Kallstroemia, having spiny or tuberculate fruits.
    • A Mediterranean species of star thistle (Centaurea calcitrapa) naturalized in the united states.
    • See water chestnut.
    • A metal device with four projecting spikes so arranged that when three for the surges are on the floor, the fourth things up, made use of as a hazard to pneumatic tires or even to the hooves of horses.
    • a little, metal object with spikes arranged to ensure, when thrown onto the surface, one constantly faces up as a threat to passers-by.
    • The starthistle, Centaurea calcitrapa, a plant with razor-sharp thorns.
    • A flowering plant, Tribulus terrestris, in the household Zygophyllaceae, native to hot temperate and exotic parts of the old-world.
    • A genus of herbaceous flowers (Tribulus) for the order Zygophylleæ, having a hard several-celled good fresh fruit, equipped with stout spines, and resembling the armed forces tool of the same name. The species grow in hot countries, and are often very annoying to cattle.
    • a musical instrument with four iron things, so disposed that, any three of them becoming on the ground, the other tasks up. They truly are spread on a lawn in which an enemy's cavalry are to pass, to hinder their progress by endangering the ponies' legs.
    • previously, a military instrument with four metal points disposed such a manner that, three of those being on the ground, the fourth pointed ascending. Caltrops were scattered on a lawn in which an enemy's cavalry were to pass through, to impede their development by wounding the horses' foot.
    • plural Broken pottery or coarse containers of effortlessly broken earthenware, or any other things adapted to wound ponies' legs, used in host to caltrops appropriate.
    • In botany, a name of a few plants.
    • inside nomenclature regarding the spicular elements of sponges, a tetraxial spicule getting the as a type of a caltrop, with four equal easy smooth hands radiating from a central point.
    • plural In entomology, the brief, sharp, curved spines which occur in scattered teams in integument of specific lepidopterous larvæ associated with household Limacodidæ, and that are responsible for the urticating effect produced on person skin by these larvæ.
    • a plant regarding the genus Trapa bearing spiny four-pronged delicious nutlike fruits
    • Mediterranean annual or biennial natural herb having pinkish to purple flowers surrounded by spine-tipped machines; naturalized in the usa
    • exotic annual procumbent toxic subshrub having good fresh fruit that splits into five spiny nutlets; severe pasture weed
    • some of various flowers of the genera Tribulus and Kallstroemia, having spiny or tuberculate fresh fruits.
    • A Mediterranean types of star-thistle (Centaurea calcitrapa) naturalized in the united states.
    • See liquid chestnut.
    • A metal device with four projecting surges so organized that after three of this spikes are on the floor, the 4th points upward, made use of as a hazard to pneumatic tires or to the hooves of horses.
    • a tiny, steel object with spikes organized so that, whenever thrown onto the surface, one constantly faces up as a threat to passers-by.
    • The starthistle, Centaurea calcitrapa, a plant with sharp thorns.
    • A flowering plant, Tribulus terrestris, in household Zygophyllaceae, indigenous to hot temperate and exotic parts of the old-world.
    • A genus of herbaceous flowers (Tribulus) for the purchase Zygophylleæ, having a tough several-celled fresh fruit, armed with stout spines, and resembling the armed forces instrument of the identical title. The species grow in warm countries, as they are often really annoying to cattle.
    • An instrument with four iron points, therefore disposed that, any three of those becoming on the ground, the other jobs upward. They've been scattered on the ground where an enemy's cavalry are to pass, to hinder their progress by endangering the ponies' foot.
    • Formerly, a military instrument with four metal points disposed this kind of a way that, three of those being on a lawn, the fourth pointed upward. Caltrops had been scattered on the ground where an enemy's cavalry were to pass through, to impede their particular progress by wounding the horses' foot.
    • plural cracked pottery or coarse containers of easily damaged earthenware, or other things adapted to wound ponies' legs, used in place of caltrops appropriate.
    • In botany, a name of a number of flowers.
    • In the nomenclature of the spicular elements of sponges, a tetraxial spicule obtaining the form of a caltrop, with four equal quick smooth arms radiating from a central point.
    • plural In entomology, the quick, sharp, curved spines which occur in spread teams in integument of certain lepidopterous larvæ of this household Limacodidæ, and which are accountable for the urticating impact created on peoples skin by these larvæ.
    • a plant of the genus Trapa bearing spiny four-pronged delicious nutlike fruits
    • Mediterranean annual or biennial herb having pinkish to purple plants surrounded by spine-tipped machines; naturalized in America
    • tropical yearly procumbent poisonous subshrub having good fresh fruit that splits into five spiny nutlets; serious pasture weed
  • others:
    • To entangle with caltrops.
    • To entangle with caltrops.

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