ventilation

ventilate

please give me / (expressing a request) please do something for me

Please do (action)

Please do not (do)

to open / to make (a hole)

to broaden; to become wide / to develop; to progress; to improve / (of a person) to be enlightened; to be inspired; (perfect tense) to be sharp or clever

please give me / (polite, imperative) please do something for me; expressing a request

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

(Internet slang, dated) Windows (an operating system)