curled or curved inward or spirally.
Botany. rolled inward from the edge, as a leaf.
Zoology. (of shells) having the whorls closely wound.
any curve of which
a given curve is the evolute.
verb (used without object) 6.
to roll or curl up; become involute.
to return to a normal shape, size, or state.
Origin: 1655–65; Related forms
< Latin involūtus
(past participle of involvere
to roll up, wrap, cover), equivalent to in- in-2
(variant stem of volvere
to roll) + -tus
past participle suffix; cf. involve