sigmate
1 of 2transitive verb
sig·mate
ˈsigˌmāt
-ed/-ing/-s
: to affix a sigma or s to (a root) in forming a tense or a plural
sigmate
2 of 2adjective
"
1
: having the shape or form of the Greek sigma or the letter S
2
of a sponge spicule : c-shaped
Word History
Etymology
Transitive verb
sigma + -ate (verb suffix)
Adjective
sigma + -ate (adjective suffix)