Obs. rare. [f. EXCREMENT2 + -AL.] Of the nature of an outgrowth or excrescence.

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1644.  Milton, Areop. (Arb.), 45. Her whitenesse is but an excrementall whitenesse.

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1656.  Artif. Handsom., 46. Art [the polling of the hair, paring the nails, etc.] … doth dayly turn … those things which are but excrementall, to be ornamentall.

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