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Webster 1913 Edition

Acicula

‖

A-cic′u-la

,
Noun.
;
pl.
Aciculæ
.
[L., a small needle, dimin. of
acus
needle.]
(Nat. Hist.)
One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal.

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