The Collaborative International Dictionary of English v.0.48:
Allah \Al"lah\, n. [ contr. fr. the article al the + ilah God.]
The name of the Supreme Being, in use among the Arabs and the
WordNet (r) 3.0 (2006):
n 1: Muslim name for the one and only God
The Devil's Dictionary (1881-1906):
ALLAH, n. The Mahometan Supreme Being, as distinguished from the
Christian, Jewish, and so forth.
Allah's good laws I faithfully have kept,
And ever for the sins of man have wept;
And sometimes kneeling in the temple I
Have reverently crossed my hands and slept.