Definitions of pitch:

• noun:   the action or manner of throwing something

  Example: "His pitch fell short and his hat landed on the floor"

• noun:   (baseball) the throwing of a baseball by a pitcher to a batter
• noun:   an all-fours game in which the first card led is a trump
• noun:   a high approach shot in golf
• noun:   the property of sound that varies with variation in the frequency of vibration
• noun:   degree of deviation from a horizontal plane

  Example: "The roof had a steep pitch"

• noun:   a vendor's position (especially on the sidewalk)

  Example: "He was employed to see that his paper's news pitches were not trespassed upon by rival vendors"

• noun:   any of various dark heavy viscid substances obtained as a residue
• noun:   abrupt up-and-down motion (as caused by a ship or other conveyance)

  Example: "The pitching and tossing was quite exciting"

• noun:   promotion by means of an argument and demonstration
• verb:   set to a certain pitch

  Example: "He pitched his voice very low"

• verb:   lead (a card) and establish the trump suit
• verb:   hit (a golf ball) in a high arc with a backspin
• verb:   erect and fasten

  Example: "Pitch a tent"

• verb:   fall or plunge forward

  Example: "She pitched over the railing of the balcony"

• verb:   set the level or character of

  Example: "She pitched her speech to the teenagers in the audience"

• verb:   throw or hurl from the mound to the batter, as in baseball

  Example: "The pitcher delivered the ball"

• verb:   move abruptly
• verb:   be at an angle
• verb:   throw or toss with a light motion
• verb:   heel over
• verb:   sell or offer for sale from place to place
• name:  A surname (very rare: popularity rank in the U.S.: #79761)