v.tr.1. a.  To throw (something, especially something light): The boy cast stones in the water.
b.  To throw with force; hurl:
 waves that cast driftwood far up on the shore. See Synonyms at 
 throw.
 c.  To throw or propel a lure or bait at the end of (a fishing line) into the water so as to catch fish or other aquatic life.
d.  To throw (a net), as in fishing; cause to spread out.
e.  To throw on the ground, as in wrestling.
f.  To let fall; drop: cast anchor.
g.  To roll or throw (dice, for example).
h.  To draw (lots).
 2.  To shed; molt: The snake cast its skin.
3.  To deposit or indicate (a ballot or vote).
4.  To turn or direct: All eyes were cast upon the speaker.
5. a.  To cause to fall onto or over something or in a certain direction: candles casting light; trees casting shadows.
b.  To assert in relation to someone or something or cause to be associated: Don't let him cast aspersions on your character. The results cast doubt on our hypothesis.
 6.  To give birth to prematurely: The cow cast a calf.
7.  To cause (hunting hounds) to scatter and circle in search of a lost scent.
8. a.  To choose actors for (a play, for example).
b.  To assign a certain role to (an actor): cast her as the lead.
c.  To assign an actor to (a part): cast each role carefully.
 9. a.  To form (liquid metal, for example) into a particular shape by pouring into a mold.
b.  To make (an object) by casting liquid metal.
 10.  To arrange or devise: cast the book in three parts; cast a plan.
11.  To calculate or compute; add up (a column of figures).
12.  To calculate astrologically: cast my horoscope.
13.  To warp; twist: floorboards cast by age.
14.  Nautical   To turn (a ship); change to the opposite tack.
 v.intr.1.  To throw something, especially to throw out a lure or bait at the end of a fishing line.
2.  To add a column of figures; make calculations.
3.  To receive form or shape in a mold: a material that casts well.
4.  To become warped.
5.  To search for a lost scent in hunting with hounds.
6.  Nautical  a.  To veer to leeward from a former course; fall off.
b.  To put about; tack.
 7.  To choose actors for the parts in a play, movie, or other theatrical presentation.
 n.1. a.  The act or an instance of casting or throwing.
b.  The act or an instance of throwing a fishing line or net into the water.
c.  The line or net thrown.
d.  The distance covered by a throw.
e.  A throw of dice.
f.  The number on dice facing up when thrown.
 2.  A stroke of fortune or fate; a lot.
3. a.  Something, such as molted skin, that is thrown off, out, or away.
b.  A piece of excrement produced by an earthworm.
 4. a.  A direction or expression of the eyes.
b.  A slight squint.
 5.  The addition of a column of figures; calculation.
6.  A conjecture; a forecast.
7. a.  The act of pouring molten material into a mold.
b.  The amount of molten material poured into a mold at a single operation.
c.  Something formed by this means or in a mold or matrix: The sculpture was a bronze cast. They made a cast of her face.
 8.  A rigid dressing, usually made of gauze and plaster of Paris, used to immobilize an injured body part, as in a fracture or dislocation. Also called  plaster cast.
9.  The form in which something is made or constructed; arrangement: the close-set cast of her features.
10.  Outward form or look; appearance: a suit of stylish cast.
11.  Sort; type: fancied himself to be of a macho cast.
12.  An inclination; tendency: her thoughtful cast of mind.
13.  The actors in a play, movie, or other theatrical presentation.
14.  A slight trace of color; a tinge.
15.  A distortion of shape.
16.  The circling of hounds to pick up a scent in hunting.
17.  A pair of hawks released by a falconer at one time.
  cast off1.  To discard; reject: cast off old clothing.
2.  To let go; set loose: cast off a boat; cast off a line.
3.  To make the last row of stitches in knitting.
4.  Printing   To estimate the space a manuscript will occupy when set into type.