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Webster 1913 Edition

Noun.

(

, etc.)

A pointed timber attached to a boat and sliding vertically, to thrust into the ground as a means of anchorage.

grouser ‎(plural grousers)

A person who grouses; a grumbler
(nautical) A temporary pile driven into the bottom of a river to hold a boat in position; a spud
(engineering) A protrusion on the surface of a wheel or continuous track segment, intended to increase traction in soil, snow, or other loose material