01 n. The internal shell, or pen, of cephalopods like the squids.
pl.
Gladii ((#))
-
1.
The internal shell, or pen, of cephalopods like the squids.(Zool.)
Entry
1 sense
Webster, 1913
Gladius
· Gla·di·us
· IPA /ˈɡlæd.i.əs/