Flaccid

King James Dictionary

Flac'Cid, a. L. flaccidus, from flacceo, to hand down, to flag.

Soft and weak limber lax drooping hanging down by its own weight yielding to pressure for want of firmness and stiffness as a flaccid muscle flaccid flesh.

Webster's Dictionary

(a.) Yielding to pressure for want of firmness and stiffness; soft and weak; limber; lax; drooping; flabby; as, a flaccid muscle; flaccid flesh.