oleic acid: a colorless oily liquid occurring as a glyceride; it is the major fatty acid in olive oil and canola oil; used in making soap and cosmetics and ointments and lubricating oils
monounsaturated fatty acid: an unsaturated fatty acid whose carbon chain has one double or triple valence bond per molecule; found chiefly in olive oil and chicken and almonds
stinger: a sharp organ of offense or defense (as of a wasp or stingray or scorpion) often connected with a poison gland