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to air; to dry; to desiccate
to drain (off)
to drink up
to deprive of a role, job, etc.
「乾す」 has another reading with different meanings.
洗った靴を日なたに出して乾した。
I put the washed shoes out in the sun to dry.
雨が続いて布団を乾すことができない。
The continuous rain prevents me from airing the futon.
海水で濡れた服をベランダで乾した。
I dried the clothes soaked in seawater on the balcony.