Last modified on 27 August 2013, at 00:09
From Middle English *sesterre, from Old English sǣsteorra (“a star which guides mariners at sea”), equivalent to sea + star.
sea-star (plural sea-stars)
- (obsolete) A star used for navigation or guidance at sea.
- 1658: By the same number doth nature divide the circle of the Sea-Starre — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 188)