pygidium

About 0.07 uses per million words.

Meaning

1. noun The caudal plate of trilobites, crustacea, and certain insects.

Similar words

convex semicircular pygidicranid tailshield pterygometopid abdominalia mesoscutum ptychaspidid pleon subunguis

Often followed by

is of with and has are in small from

Word family

pygidia pygidial