quadrilabial
English
Etymology
From quadri- + labial, modelled on bilabial.
Adjective
quadrilabial (comparative more quadrilabial, superlative most quadrilabial)
- (phonetics, humorous) Articulated with two pairs of lips (i.e. involving mouth-to-mouth contact between two people).
- (The addition of quotations indicative of this usage is being sought:)