n. [ D. groef, groeve; akin to E. grove. See Grove. ] 1. 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. [ 1913 Webster ]
2. Hence: The habitual course of life, work, or affairs; fixed routine. [ 1913 Webster ]
The gregarious trifling of life in the social groove. J. Morley. [ 1913 Webster ]
3. [ See Grove. ] (Mining) A shaft or excavation. [ Prov. Eng. ] [ 1913 Webster ]
[いとみち, itomichi] (n) (1) groove in a Shamisen player's fingernail caused by the friction of the string of the instrument; (2) someone's ability to play the shamisen