Webster 1913 Edition
[Shortened fr. OF.
tendrillon, fr. F.
tendretender; hence, properly, the tender branch or spring of a plant: cf. F.
, and cf.
A slender, leafless portion of a plant by which it becomes attached to a supporting body, after which the tendril usually contracts by coiling spirally.
☞ Tendrils may represent the end of a stem, as in the grapevine; an axillary branch, as in the passion flower; stipules, as in the genus Smilax; or the end of a leaf, as in the pea.
Clasping; climbing as a tendril.
Webster 1828 Edition
They are also given to creeping vines, which require support on the earth.