In"cu*bate (?), v. i. & t. [imp. & p. p. Incubated (?); p. pr. & vb. n. Incubating (?).] [L. incubatus, p. p. incubare to lie on; pref. in- in, on + cubare to lie down. Cf. Cubit, Incumbent.]
To sit, as on eggs for hatching; to brood; to brood upon, or keep warm, as eggs, for the purpose of hatching.
© Webster 1913.