Periscian

(pe-rĭsh′ĭ-an), n. [Fr. périscien, Gr. περίσκιος, pl. περίσκιοι, throwing a shadow all around, from περί, around, and σκιά, shadow; N. Lat. periscii.] An inhabitant within a polar circle, whose shadow, during some portion of the summer, must, in the course of the day, move entirely round, and fall toward every point of the compass;—a term of the old geographers, now little used.