| a. | 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. |
| Adj. | 1. | aculeate - having or resembling a stinger or barb; "aculeate insects such as bees and wasps" Synonyms: aculeated |