cotter

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cotter

1 Machinery
1. any part, such as a pin, wedge, key, etc., that is used to secure two other parts so that relative motion between them is prevented
2. short for cotter pin

cotter

2
1. English history a villein in late Anglo-Saxon and early Norman times occupying a cottage and land in return for labour
2. a peasant occupying a cottage and land in the Scottish Highlands under the same tenure as an Irish cottier

cotter

[′käd·ər]
(design engineering)
A tapered piece that can be driven in a tapered hole to hold together an assembly of machine or structural parts.

cotter

A beveled piece of wood or steel, used as a wedge for fastening.