Dictionary.net

a settled and monotonous routine that is hard to escape; "they fell into a conversational rut"

make a groove in, or provide with a groove; "groove a vinyl record"

a settled and monotonous routine that is hard to escape; "they fell into a conversational rut"

A furrow, channel, or long hollow, such as may be formed by cutting, molding, grinding, the wearing force of flowing water, or constant travel; a depressed way; a worn path; a rut.

Hence: The habitual course of life, work, or affairs; fixed routine.

A shaft or excavation.

To cut a groove or channel in; to form into channels or grooves; to furrow.

A furrow, channel, or long hollow, such as may be formed by cutting, molding, grinding, the wearing force of flowing water, or constant travel; a depressed way; a worn path; a rut.

Hence: The habitual course of life, work, or affairs; fixed routine.

A shaft or excavation.

To cut a groove or channel in; to form into channels or grooves; to furrow.

A channel or furrow, especially as cut by a tool; as, the plate sits in the groove on the rack; settled habit or routine.

To form or cut a furrow in; as, groove that cement so that the water will run off.

A furrow, or long hollow, such as is cut with a tool.

To grave or cut a groove or furrow in.

A narrow furrow, of channel.

To make a groove in.

A furrow or long hollow, as cut by a tool.

A furrow or long hollow cut by a tool; a shaft or pit sunk into the earth.

To cut a furrow or groove in.

To furrow; to cut a channel with an edged tool.

Any channel, furrow, or depression, as carotid, costal, optic, primitive vertebral groove.

A channel or gutter in a bone or surgical instrument. See Coulisse.

A linear depression or excavation; a long superficial furrow or narrow channel.

n. [Anglo-Saxon, Icelandic; Dutch] A furrow, channel, or long hollow but by a tool;—a shaft in mines.

A deep cavern or hollow; a channel or hollow cut with a tool.