som‧nam‧bu‧list /sɒmˈnæmbjələst, sɒmˈnæmbjʊləst $ sɑːm-/
noun [countable] formal[
Date: 1700-1800;
Language: Modern Latin;
Origin: somnambulus, from Latin somnus ( ⇒ somnolent) + ambulare 'to walk']
someone who walks while they are asleep
Synonym : sleepwalker—somnambulism noun [uncountable] [TahlilGaran] Dictionary of Contemporary English ▲