A*cu"le*ate (#), a. [L. aculeatus, fr. aculeus, dim. of acus needle.]
1. Zool.
Having a sting; covered with prickles; sharp like a prickle.
2. Bot.
Having prickles, or sharp points; beset with prickles.
3.
Severe or stinging; incisive.
[R.]
Bacon.
© Webster 1913.