Assertion: sail's edge | /r/AtLocation | the mast
Facets:
value: with the foot or lower edge
type: OTHER
value: by yards
type: OTHER
value: as the principal sails
type: MANNER
value: by booms
type: OTHER
Source sentences:
text: For fore-and-aft sails it is triangular sail with the forward edge attached to the mast with the foot or lower edge generally attached to a boom.
text: Quadrilateral sails are extended by yards, as the principal sails; by yards and booms, as studding-sails; a gaff, as mizen courses; or by a boom and gaff, as drivers, or boom-mainsails, of brigs, sloops, &c. Triangular sails are spread by a stay, as staysails; or by a mast, and sometimes by a yard, acting as a kind of gaff, as lateen or shoulder-of-mutton-sails: the foremost leech, or edge, is attached to the yard, mast, or stay, the whole length.
text: The forward (leading) edge of a fore-and-aft sail is called the luff , and may be attached along a mast or a stay.  
text: For fore-and-aft sails it is triangular sail with the forward edge attached to the mast with the foot or lower edge generally attached to a boom.