Definitions of belt:

• noun:   a band to tie or buckle around the body (usually at the waist)
• noun:   endless loop of flexible material between two rotating shafts or pulleys
• noun:   an elongated region where a specific condition is found

  Example: "A belt of high pressure"

• noun:   the act of hitting vigorously
• noun:   a path or strip (as cut by one course of mowing)
• noun:   a vigorous blow
• verb:   fasten with a belt

  Example: "Belt your trousers"

• verb:   deliver a blow to

  Example: "He belted his opponent"

• verb:   sing loudly and forcefully
• name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3340)