bob 2 
(bŏb)
(bŏb)n.
1. A small, knoblike pendent object, such as a plumb bob.
2. A small lock or curl of hair.
3. A haircut that hangs evenly above the shoulders, often around the chin, worn especially by women or children.
4. Informal Surgical shortening or reshaping of the nose.
5. The docked tail of a horse.
6.
a. A bobsled.
b. A bob skate.
tr.v. bobbed, bob·bing, bobs
To cut short or reshape: bobbed her hair; had his nose bobbed.
[Middle English bobbe, cluster of fruit.]