Use stoa in a sentence. pl. stoâ²ae or stoâ²as. a portico, as in ancient Greece, having a wall on one side and pillars on the other. Origin of stoa.
Definition of classify for English Language Learners. : 1  to arrange (people or things) into groups based on ways that they are alike. : 2  to consider (someone or something) as belonging to a particular group.
group noun (SET) A1 [ C ] a number of people or things that are put together or considered as a unit: I'm meeting a group of friends for dinner tonight. The car was parked near a small group of trees. She showed me another group of pictures, this time of children playing.