scute
A horny, chitinous, or bony external plate or scale, as on the shell of a turtle, the skin of crocodiles, or the feet and legs of birds.
Then one afternoon, as he's stripping the scutes and hide from a shortnose sturgeon, an idea hits him.
A small shield.
obsolete
Wyth crownes and wyth scutus; With scutis and crownes of gold I drede we are bought and solde; […]
But yet they ouer shote vsAn old French gold coin.
historical
Where it comes from
Borrowed from Latin scutum (“shield”). Compare scutum, escudo, scudo, and écu.
Related words
Adapted from the Wiktionary entry scute (CC BY-SA 4.0).