a. rare1. [f. L. amb(i)- both + læv-us left + -OUS.] As it were, left-handed on both sides; the opposite of ambidexter.

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1646.  Sir T. Browne, Pseud. Ep., 191. Againe, some are … Ambilevous or left handed on both sides.

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1879.  Syd. Soc. Lex., Ambilævous, Having left hands only; that is, clumsy.

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