cuneate

形容词 cuneate:

1. of a leaf shape; narrowly triangular, wider at the apex and tapering toward the base
   同义词：wedge-shaped

cu.ne.ate

adj.Botany （形容词）【植物学】
Wedge-shaped. Used especially to describe a leaf or petal base that is narrowly triangular.
楔形的：楔形的。尤其用来描述呈窄三角形的叶子或花瓣的基部

来源：
Latin cune3tus [past participle of] cune3re [to make wedge-shaped]
拉丁语 cune3tus [] cune3re的过去分词 [使成楔形]
from cuneus [wedge]
源自 cuneus [楔子]

【引伸】
cu.neate.ly
adv.（副词）