Avocado (&unr_;), n. [Corrupted from the Mexican ahuacatl: cf. Sp. aguacate, F. aguacaté, avocat, G. avogadobaum.] The pulpy fruit of Persea gratissima, a tree of tropical America. It is about the size and shape of a large pear; -- called also avocado pear, alligator pear, midshipman's butter.
[1913 Webster]