Obs. rare. [app. f. COIL sb.2; but it might possibly be a sense of COIL v.2: cf. BEAT v. 23.] To stir (liquids or the like).
1677. N. Cox, Gentl. Recreat., ii. 82. Pour therein [a pot] your Oyl with a quantity of Water, and coil these together with a Spoon till the Water grow darkish.