From Wiktionary, the free dictionary
full clew (uncountable)
- (nautical) The state of having the bottom corners of a sail (or, by extension, the sail in general) spread wide
1599, [Thomas] Nashe, Nashes Lenten Stuffe, […], London: […] [Thomas Judson and Valentine Simmes] for N[icholas] L[ing] and C[uthbert] B[urby] […], →OCLC, pages 5–6:That which eſpecialleſt nouriſht the moſt prime pleaſure in me, was after a ſtorme when they were driuen inſwarmes, and lay close peſtred together as thicke as they could packe; the next day following, if it were faire, they would cloud the whole skie with canuas, by ſpreading their drabled ſailes in the full clue abroad a drying, and make a brauer ſhew with them, then ſo many banners and ſtreamers diſplayed againſt the Sunne on a mountaine top.
