spline

[ splahyn ]
/ splaɪn /

noun

verb (used with object), splined, splin·ing. Machinery.

to provide with a spline or key.
to provide with a keyway.

Origin of spline

1750–60; orig. East Anglian dial.; perhaps akin to splint; compare Old English splin spindle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for splined

British Dictionary definitions for splined

spline
/ (splaɪn) /

noun

any one of a series of narrow keys (external splines) formed longitudinally around the circumference of a shaft that fit into corresponding grooves (internal splines) in a mating part: used to prevent movement between two parts, esp in transmitting torque
a long narrow strip of wood, metal, etc; slat
a thin narrow strip made of wood, metal, or plastic fitted into a groove in the edge of a board, tile, etc, to connect it to another

verb

(tr) to provide (a shaft, part, etc) with splines

Word Origin for spline

C18: East Anglian dialect; perhaps related to Old English splin spindle; see splint
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012