noun.
An outer garment, usually loose, that is similar to a shirt and reaches from the neck to the waist or below. Nowadays, in colloquial use, blouse refers almost always to a woman's shirt that buttons down the front.
noun.
A loose-fitting uniform jacket.
verb.
To hang a garment in loose folds.
verb.
To tuck one's pants/trousers (into one's boots).