blow

1 :  an instance of air moving with speed or force :  a blowing of wind especially when strong or violent

2 :  brag, boasting

3 :  an act or instance of blowing (see ¹blow) gave his nose a good blow a blow of the horn

4 metallurgy a :  the time during which air is forced through molten metal to refine itb :  the quantity of metal refined during that time

5 slang :  cocaine

:  flower, bloom I know a bank where the wild thyme blows … — Shakespeare

1 :  blossoms

2 :  ²bloom 1b lilacs in full blow

1 :  a forcible stroke delivered with a part of the body (such as the fist) or with an instrument a mighty blow with his club boxers exchanging blows

2 :  a hostile act or state :  combat nations coming to blows

3 :  a forcible or sudden act or effort :  assault … such a language … would solve many of his … difficulties at a single blow. — Edward Sapir

4 :  an unfortunate or calamitous happening failure to land the job came as a blow

:  a blowing of wind :  gale

1 :  a hard hit with a part of the body or an object a hammer's blow a blow to the head

2 :  a sudden happening that causes suffering or loss The dog's death was a severe blow.

1:  to free (the nose) of mucus and debris by forcible exhalation

2of blowflies and flesh flies :  to deposit eggs or larvae on or in

1:  the act of some insects of depositing eggs or larvae; also :  a larva so deposited (as in a wound)—used chiefly of blowflies and flesh flies

2:  forcible ejection of air from the body (as in freeing the nose of mucus and debris)

3slang :  cocaine