The Collaborative International Dictionary
Echinate
Echinate \Ech"i*nate\, Echinated \Ech"i*na`ted\, a. [L. echinatus. See Echinus.] Set with prickles; prickly, like a hedgehog; bristled; as, an echinated pericarp.
Syn: echinulate.
Wiktionary
echinate
a. prickly; bristly n. (cx botany English) A bristly grain