Hypertext Webster Gateway: "mainsheet"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Mainsheet \Main"sheet`\, n. (Naut.)
One of the ropes by which the mainsail is hauled aft and
trimmed.
From WordNet (r) 1.7 (wn)
mainsheet
n : a line (rope or chain) that regulates the angle at which a
sail is set in relation to the wind [syn: {sheet}, {tack},
{weather sheet}, {shroud}]
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