plural of eye drop

A course of action, voluntarily entered into by at least the leading participant, which is (or appears) certain or very likely to result in death, failure, or defeat.

A trip made by walking. / A distance walked. / (sports) An Olympic Games track event requiring that the heel of the leading foot touch the ground before the toe of the trailing foot leaves the ground.

(biochemistry, pharmacology) A miotic alkaloid C₁₁H₁₆N₂O₂ obtained from jaborandi that is used chiefly in the form of its hydrochloride or nitrate especially in the treatment of glaucoma.