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The Collaborative International Dictionary
Penicillate

Penicillate \Pen`i*cil"late\, a. [Cf. F. p['e]nicill['e]. See Penicil.] (Biol.) Having the form of a pencil; furnished with a pencil of fine hairs; ending in a tuft of hairs like a camel's-hair brush, as the stigmas of some grasses.

Wiktionary
penicillate

a. (context botany zoology English) Having tufts of fine hairs, or in the form of a tuft of fine hairs.