1. Nat. Hist. Pointed, sharpened to a needle-like point; armed with prickles.
1681. Willis, Rem. Med. Wks., Aculeated, Made sharp and prickly like a needles point.
1713. Derham, Physico-Theol., IV. xi. 19. The mouth is in some [insects] aculeated; to pierce and wound Animals, and suck their Blood.
1774. Bryant, Mythol., I. 344. The murex is of the turbinated kind, and particularly aculeated; having strong and sharp protuberances.
2. fig. Pointed, incisive, keen, pungent.
1655. Lestrange, Charles I., 71. A man of an acute but aculeated wit.
1813. Knox & Jebb, Corr., II. 170. The apothegms and aculeated sayings of the ancients are inestimable.
1839. De Quincey, Recoll. of Lakes, Wks. 1862, II. 233. A trenchant, pungent, aculeated form of terse, glittering, stenographic sentences.