a. Obs.0 [f. EXTUBER-ANT + -OUS.] Swelling out, protuberant. Hence † Extuberousness.
1706. Phillips (ed. Kersey), Extuberous, swelling forth or bunching out.
17211800. in Bailey.
172736. Bailey, Extuberousness, the swelling or bunching out in the body.
1775. in Ash.