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.
Medical Definition of CLASSIFICATION. 1. : the act or process of classifying. 2. : systematic arrangement of animals and plants in groups or categories according to established criteria; specifically: taxonomy 2.ull Definition of CLASSIFICATION. 1. : the act or process of classifying. 2. a: systematic arrangement in groups or categories according to established criteria; specifically: taxonomy b: class, category.