noun: Archaic spelling of auk. [Any of several species of Arctic sea birds of the family Alcidae.]
noun: Abbreviation of alkali. [(chemistry) One of a class of caustic bases, such as soda, soda ash, caustic soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.]
noun: Abbreviation of alkaline. [An alkaline battery.]
