vellicate

vel·li·cate

(vel'i-kāt),

To twitch or contract spasmodically; said especially of fibrillary muscular spasms.

[L. vellico, pp. -atus, to pluck, to twitch, fr. vello, to deprive of hair, pluck]

vellicate

To twitch spasmodically; fibrillate, spasm, twitch. It is not used in the working medical parlance.