Definition of: bapostropheb

(ə·pos′trə·fē) noun
1. A digression from a discourse; specifically, a turning aside, as from an audience, to speak to an imaginary or absent person, an attribute, or the Deity
2. Bot. The arrangement of chlorophyll granules (as on the lateral walls of leaf cells) when exposed to strong light: opposed to epistrophe. [ <L <Gk. apostrophē a turning away < apostrephein < apo- from + strephein turn]
—ap·os·troph·ic (ap′ə·strof′ik) adjective