• (a.) Of or pertaining to somnambulism; somnambulistic.
Som·nam'bu·lar adjective Of or pertaining to somnambulism; somnambulistic. Mrs. Browning. 
somnambular 1. A reference to walking or performing another act while asleep or in a sleeplike condition. 2. Pertaining to somnambulism; somnambulistic.