adv. mostly; chiefly. mainmast n. principal mast of a ship. mainsail rmeinseil, s(e)1/ n. 1 (in a squarerigged vessel) lowest sail on the mainmast. 2 (in a foreandaft rigged vessel) sail set on the after part of the mainmast.
adv. mostly; chiefly. mainmast n. principal mast of a ship. mainsail rmeinseil, s(e)1/ n. 1 (in a squarerigged vessel) lowest sail on the mainmast. 2 (in a foreandaft rigged vessel) sail set on the after part of the mainmast.