Obs. [f. assumed L. *excrēmentīci-us (f. excrēment-um EXCREMENT2) + -OUS. Cf. prec.] Consisting of, or of the nature of, an outgrowth.

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c. 1645.  Howell, Lett. (1650), I. I. xxxi. 51. Hair is but an excrementitious thing.

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1677.  Hale, Prim. Orig. Man., III. iv. 266. These [feathers] are excrementitious, and not really parts of the Bird.

3