Leech \Leech\, n. [Cf. LG. leik, Icel. l[imac]k, Sw. lik
boltrope, st[*a]ende liken the leeches.] (Naut.)
The border or edge at the side of a sail. [Written also
{leach}.]
[1913 Webster]
{Leech line}, a line attached to the leech ropes of sails,
passing up through blocks on the yards, to haul the
leeches by. --Totten.
{Leech rope}, that part of the boltrope to which the side of
a sail is sewed.
[1913 Webster]