Pitch

1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits.
2. (Cricket) That point of the ground on which the ball pitches or lights when bowled.
3. A point or peak; the extreme point or degree of elevation or depression; hence, a limit or bound.
4. Height; stature.
5. A descent; a fall; a thrusting down.
6. The point where a declivity begins; hence, the declivity itself; a descending slope; the degree or rate of descent or slope; slant; as, a steep pitch in the road; the pitch of a roof.
7. (Mus.) The relative acuteness or gravity of a tone, determined by the number of vibrations which produce it; the place of any tone upon a scale of high and low.
8. (Mining) The limit of ground set to a miner who receives a share of the ore taken out.
9. (Mech.) The distance between symmetrically arranged or corresponding parts of an armature, measured along a line, called the pitch line, drawn around its length. Sometimes half of this distance is called the pitch.
1. The distance from center to center of any two adjacent teeth of gearing, measured on the pitch line; -- called also circular pitch.
2. The length, measured along the axis, of a complete turn of the thread of a screw, or of the helical lines of the blades of a screw propeller.
3. The distance between the centers of holes, as of rivet holes in boiler plates.
Pitch and toss ,
a game played by tossing up a coin, and calling “Heads or tails;”
To play pitch and toss with (anything) ,
to be careless or trust to luck about it.
Pitch farthing .
See Chuck farthing, under 5th Chuck.