Definition of "scutum"

(historical, Roman antiquity) An oblong shield made of boards or wickerwork covered with leather, with sometimes an iron rim; carried chiefly by the heavily armed infantry of the Roman army.

(zoology) A scute.

(zoology) A shield-like protection, such as the scutum protecting the back of a hard tick (cf. alloscutum, conscutum)  quotations

(zoology) One of the two lower valves of the operculum of a barnacle.

(anatomy) The kneecap.  examples