a depression or furrow in a surface usually a narrow, linear indentation often curved or meandering can be shallow or deep may be straight, curved, or meandering may be smooth or rough-textured
groove which is a depression or furrow in a surface groove which has usually a narrow, linear indentation groove which often curved or meandering groove which can be shallow or deep groove which may be straight, curved, or meandering groove which may be smooth or rough-textured