(n) An oblong shield manufactured from panels or wickerwork covered with leather-based, with occasionally an iron rim; held mainly by the heavy-armed infantry for the Roman military.
(n) A scute.
Scutum in Apiculture Dictionary
shield-shaped part of the back of the thorax of some pests including Apis mellifera (honey bees). Often split into three places: the anterior prescutum, the scutum, in addition to smaller posterior scutellum. by TeodoroReport definition