lacuna \luh-KYOO-nuh\, noun;plural lacunae \luh-KYOO-nee\ or lacunas Lacuna is from the Latin lacuna, "a cavity, a hollow," from lacus, "a hollow.":
- A blank space; a missing part; a gap.
- (Biology) A small opening, depression, or cavity in an anatomical structure.
Cristina Scabbia of Lacuna Coil
- The responsibilities of a boyfriend/husband to his girlfriend/wife to make attempts and succeed at seducing his mate.
Lucy: Ricky, you need to satisfy your seduciary responsibility in this relationship, I'm not feeling the romance.
Ricky: Yes dear.