Webster's Revised Unabridged Dictionary · 1913

Flexuous

Flexuous , adjective

[Latin flexuosus, from flexus a bending, turning.]

1.
Having turns, windings, or flexures.
2.
(Botany) Having alternate curvatures in opposite directions; bent in a zigzag manner.
3.
Wavering; not steady; flickering. — Bacon