(philosophy, sociology) A supporter of antinatalism.

(organic chemistry) Any of a group of cytotoxic and antibacterial tetrachloro pyrroles present in some bacteria

(informal) The navel.

Lactofermented pickled corn, a dish eaten in the Southern United States, especially in Appalachia. / Used other than figuratively or idiomatically: see sour, corn: tart and/or spoiled corn.