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Meaning of jiggermast

jig•ger•mast

Pronunciation: ( jig'ur-mast", -mäst"Naut.jig'ur-must), [key]
— n. Naut.
  1. a small mast set well aft in a boat or ship; mizzenmast.
  2. the fourth mast from forward in a ship having five or more masts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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