former common English transliteration of Muhammad.

The worst of letting the learned gentry bully us out of our traditional Mahometan & Mahomet ... is this: no sooner have we tried to be good & learnt to say, or at least write, Mohammed than they are fired with zeal to get us a step or two further on the path of truth, which at present seems likely to end in Muhammad with a dot under the h .... [H.W. Fowler, "A Dictionary of Modern English Usage," 1926]

updated on September 25, 2018

Definitions of Mohammed from WordNet

Mohammed (n.)
the Arab prophet who, according to Islam, was the last messenger of Allah (570-632);
Synonyms: Mohammad / Muhammad / Mahomet / Mahound
From, not affiliated with etymonline.