verb

• (intransitive) To produce an air current.
  "Lear. Blow windes, & crack your cheeks; Rage, blow / You Cataracts, and Hyrricano's ſpout,"
• (transitive) To propel by an air current (or, if under water, a water current), usually with the mouth.
  "Blow the dust off that book and open it up."
• (intransitive) To be propelled by an air current.
  "The leaves blow through the streets in the fall."
• (transitive, figurative) To direct or move, usually of a person to a particular location.
  ""This is an unexpected pleasure!" exclaimed he. "What good fortune blows Lady Marchmont hither?""

noun

• (informal) A chance to catch one's breath.
  "The players were able to get a blow during the last timeout."
• (uncountable, US, slang) Cocaine.
  "Hi there, you're a pretty cute chick, want to snort some blow?"
• (uncountable, UK, slang) Cannabis.
• (uncountable, Chicago dialectal, slang) Heroin.

adj

• (chiefly dialectal Northern England or puristic, otherwise obsolete) Blue.

noun

• (Australia, shearing, historical) A cut made to a sheep's fleece by a shearer using hand-shears.
  "Click goes his shears; click, click, click. / Wide are the blows, and his hand is moving quick, / The ringer looks round, for he lost it by a blow, / And he curses that old shearer with the bare belled ewe."
• (Australia, New Zealand) An outcrop of quartz from surrounding rock, thought to indicate mineral deposits below.
  ""Blows" of quartz, crop out above the layers of slate, granite, and sandstone formation."
• (television) Synonym of button (“the punchy or suspenseful line of dialogue that concludes a scene”).
  "The blow is important because it transitions the reader and eventually the audience from one scene to another."