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The Collaborative International Dictionary of English v.0.48 (gcide)

papaya \pa*pa"ya\, n. [Prob. from the native name in the West
Indies; cf. Sp. papayo papaw, papaya the fruit of the papaw.]
1. (Bot.) A tree ({Carica Papaya}) of tropical America,
belonging to the order {Passiflore[ae]}; called also
{papaw} and {pawpaw}. It has a soft, spongy stem, eighteen
or twenty feet high, crowned with a tuft of large,
long-stalked, palmately lobed leaves. The milky juice of
the plant is said to have the property of making meat
tender.
[1913 Webster PJC]

2. The fruit of the papaya tree; it is a dull orange-colored,
melon-shaped fruit, which is eaten both raw and cooked or
pickled. The fruit contains {papain}, a protease.
[1913 Webster PJC]


Papain \Pa*pa"in\, n. [From {Papaw}.] (Physiol. Chem.)
A proteolytic ferment, like trypsin, present in the juice of
the green fruit of the papaw ({Carica Papaya}) of tropical
America.
[1913 Webster]

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