Stoma
WordNet
noun
(1) A mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
(2) A minute epidermal pore in a leaf or stem through which gases and water vapor can pass
WiktionaryText
Noun
- One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass.
- A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
- A mouthlike opening, such as the oral cavity of a nematode.
- An artificial anus.