stoma

Definition

One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass.

Etymology

From New Latin stoma, from Ancient Greek στόμα (stóma, “mouth”).

Example Sentences

• "From a large tote bag sat beside her, she takes out a Victoria Beckham makeup bag, which contains her urostomy night bag, which plugs into the bag on the stoma."