
A dog clutch is a type of clutch that couples two rotating shafts or other rotating components not by friction but by interference. The two parts of the clutch are designed such that one will push the other, causing both to rotate at the same speed and will never slip. Dog clutches are used where slip is undesirable and/or the clutch is not used t...
Found on
http://en.wikipedia.org/wiki/Dog_clutch

a clutch in which projections of one of the engaging parts fit into recesses of the other.
Found on
https://www.infoplease.com/dictionary/dog-clutch
No exact match found.