| 释义 |
‖ aculeus|əˈkjuːlɪəs|
Pl. aculei.
[L., = a sting, dim. of acus a needle.]
1. Zool. The sting of an insect or other animal.
1828Kirby & Spence Entomol. IV. xlii. 162 The valves are linear, exserted, and as long as the aculeus itself.
2. Bot. ‘A prickle; a conical elevation of the skin of a plant, becoming hard and sharp-pointed: as in the rose.’ Lindley in Treas. Bot.
1878W. R. McNab Bot. 76 Prickles or aculei occurring on some brambles and roses, differ from true hairs in their originating from the epidermis, and one or more cells below it. |