Defn: The act of walking in sleep.

SOMNAMBULATOR
Som*nam"bu*la`tor, n.

Defn: A somnambulist.

SOMNAMBULE
Som*nam"bule, n. Etym: [F.]

Defn: A somnambulist.

SOMNAMBULIC
Som*nam"bu*lic, a.

Defn: Somnambulistic.

SOMNAMBULISM
Som*nam"bu*lism, n. Etym: [Cf. F. somnambulisme. See Somnambulation.]

Defn: A condition of the nervous system in which an individual during sleep performs actions approppriate to the waking state; a state of sleep in which some of the senses and voluntary powers are partially awake; noctambulism.

SOMNAMBULIST
Som*nam"bu*list, n.