Definition from Wiktionary, the free dictionary
- (nautical) Response to order to weigh anchor when the anchor has been tripped and is no longer attached to the bottom.
-  1988, Frederick Pease Harlow, The Making of a Sailor 
- Then the mate called again to the captain, “Anchor’s aweigh, sir!” while the men kept on heaving.
- 1987, Philip McCutchan, Convoy North 
- Amory’s voice came again from the fo’c’sle. ‘Anchor’s aweigh, sir.’
- 1994, Patrick O'Brian, The Fortune of War 
- ‘Anchor’s apeak — they pawl and back — ’ At this moment the American frigate fired a gun, dropped her topgallantsails, and sheeted them home. ‘Anchor’s aweigh,’ called Broke. ‘He plucked it up in fine style.’
-  1988, Frederick Pease Harlow, The Making of a Sailor