Tri and ria

trī-an′dri-a, n. an order of plants having three equal stamens.— n. Trian′der , such a plant.— adjs. Trian′drian , Trian′drous . [Gr. treis , tri a , three, anēr , andros , a male.] IMG:c383_rs_1908_Triangle.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail_unscaled:Chambers_1908_Triangle.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail_unscaled