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.
All right, so the idea is if we can black out all the windows,
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición