n. 轮生体, 螺层, 螺旋状物, 涡

vt. 使成涡漩

[医] 螺环, 轮生体(植物), 涡(指纹)

Whorl \Whorl\, n. [OE. whorvil the whirl of a spindle; akin to
AS. hweorfa the whirl of a spindle, hweorfan to turn; cf. OD.
worvel the whirl of a spindle. See {Whirl}, n. & v.]
1. (Bot.) A circle of two or more leaves, flowers, or other
organs, about the same part or joint of a stem.

2. (Zo["o]l.) A volution, or turn, of the spire of a univalve
shell.

3. (Spinning) The fly of a spindle.