Last modified on 16 June 2013, at 01:53
From Latin aculeus.
aculeous (comparative more aculeous, superlative most aculeous)
- (obsolete, rare) Pertaining to a needle.
- 1658: And such an order is observed in the aculeous prickly plantation, upon the heads of several common thistles — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 180)