1. (noun) a narrow elongated opening or fissure between two symmetrical parts

• false glottis
• glottis spuria
• rima respiratoria
• rima vestibuli
• glottis vera
• rima glottidis
• rima vocalis
• true glottis
• mouth
• oral cavity
• oral fissure
• rima oris
• pudendal cleavage
• pudendal cleft
• pudendal slit
• rima pudendi
• rima vulvae
• urogenital cleft
• vulvar slit

1. (noun) a narrow elongated opening or fissure between two symmetrical parts

• opening
• orifice
• porta