Etymology 1

Noun

1. A violent gust of wind.
2. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.
   • 1957, H.R. Schubert, History of the British Iron and Steel Industry, p. 146:

     Blast was produced by bellows worked by four 'blowers', three of whom worked at a time while the fourth stood ready to replace one of the others.

3. An explosion.
4. A loud, sudden sound.

   A blast from a trumpet.

5. An immature or precursor cell.
6. A good time; an enjoyable moment.

Verb

1. To make a loud noise.
2. To shatter, as if by an explosion.
3. To open up a hole in, usually by means of a sudden and imprecise method (such as an explosion).

   Blast right through it.

4. To curse; to damn.

   Blast it! Foiled again.

5. To shoot, especially with an energy weapon (as opposed to one which fires projectiles).

   Chewbacca blasted the Stormtroopers with his laser rifle.

6. To return extra salvage to another location.
7. To criticize or reprimand severely; to verbally discipline or punish.

   My manager suddenly blasted me yesterday for being a little late to work for five days in a row, because I was never getting myself up on time.

Etymology 2

Noun

1. An immature or undifferentiated cell (e.g., lymphoblast, myeloblast).

Noun

1. The stem and leaves of a vegetable, of which you're only supposed to eat the root. E.g. in potatoes or carrots.