bob

bob¹

1. Bell-ringing a particular set of changes

2. Angling

a. short for bobfloat

b. the topmost fly on a cast of three, often fished bobbing at the surface

c. this position on a wet-fly cast

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bob²

1. a dangling or hanging object, such as the weight on a pendulum or on a plumb line

2. a polishing disc on a rotating spindle. It is usually made of felt, leather, etc., impregnated with an abrasive material

3. Angling a small knot of worms, maggots, etc., used as bait

4. Prosody a very short line of verse at the end of a stanza or preceding a rhyming quatrain (the wheel) at the end of a stanza

5. a refrain or burden with such a short line or lines

6. a docked tail, esp of a horse

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bob [bäb]

(metallurgy)

A feeding device for providing molten metal to a casting during solidification to prevent shrinkage.

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plumb bob, plummet

A shaped metal weight which is suspended from the lower end of a line to determine the vertical. (See illustration p. 744.)

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Bob - David Betz. A tiny object-oriented language. ftp://ftp.mv.com/pub/ddj/packages/bob15.arc. [Dr Dobbs J, Sep 1991, p.26].