With a and plural. An instance of this; a convulsive twitch or throe.

An instance or occasion of this; also, a twitching or convulsive movement, esp. of a muscle or other part of the body.

Intermittent spasm or twitching (of a muscle or muscles); an instance of this; spec. = subsultus tendinum, n.

tic douloureux/dulurø/, severe facial neuralgia with twitching of the facial muscles.

A disease or affection characterized by spasmodic twitching of certain muscles, esp. of the face; nearly always short for tic douloureux at sense 2.

Medicine. An involuntary spasmodic contraction of a muscle; spasmodic or convulsive movement of the body or a part of the body; an instance of…

Slight involuntary twitching of a muscle, esp. of the eyelids; myokymia. Cf. earlier lifeblood, n. 3.

a tic caused by (or attributed to) nervous dysfunction; (in extended use) a repetitive action, esp. one performed out of nervousness; a habitual…

A twitching or convulsive movement of a limb or muscle.

= tic, n. 1.

Involuntary twitching or rippling of one or more muscles; (also) any of various conditions characterized by this.

Physiology. Uncoordinated twitching of a muscle, esp. that involving the simultaneous contraction of whole bundles or fasciculi of muscle fibres.