Synonyms: stoma
Definition: a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
Similar words: porta, opening, orifice
Definition: an aperture or hole that opens into a bodily cavity
Usage: the orifice into the aorta from the lower left chamber of the heart
Synonyms: pore, stoma, stomate
Definition: a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Similar words: aperture
Definition: a natural opening in something