to become unconscious for a short time; to make a place dark by turning off lights, covering windows, etc.
Oxford75% de las películas
to become unconscious for a short time
CASE, if I black out, you take the stick.
Oxford25% de las películas
to make a place dark by turning off lights, covering windows, etc.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición