ball (redirected from started the ball rolling)

ball

1. a round or roundish body, either solid or hollow, of a size and composition suitable for any of various games, such as football, golf, billiards, etc

2. Cricket a single delivery of the ball by the bowler to the batsman

3. Baseball a single delivery of the ball by a pitcher outside certain limits and not swung at by the batter

4. Vet science another word for bolus

5. Horticulture the hard mass of roots and earth removed with the rest of the plant during transplanting

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Ball

John. died 1381, English priest: executed as one of the leaders of the Peasants' Revolt (1381)

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ball [bȯl]

(geology)

A low sand ridge, underwater by high tide, which extends generally parallel with the shoreline; usually separated by an intervening trough from the beach.

A spheroidal mass of sedimentary material.

Common name for a nodule, especially of ironstone.

(mechanical engineering)

In fine grinding, one of the crushing bodies used in a ball mill.

(ordnance)

A bullet for general use, as distinguished from bullets for special uses such as armor-piercing, incendiary, or high explosive.

A small-arms solid propellant which is oblate spheroidal in shape, generally a double-base propellant.