Sailors' cry (5-2)
'sailors' cry' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for heave-ho that I've seen before include "Dismissal (informal)" , "Rejection" , "Cry to aid physical effort" , "Sailors' call to exertion" , "elbow" .)
'sailor's cry' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ahoy that I've seen before include "Sailor's greeting" , "Mariner's call" , "Nautical greeting" , "Hello there on board!" , "(Nautical) hailing call" .)
'sailor's cry' is the definition.
(nautical term meaning 'stop')
This is the entire clue.
(Other definitions for avast that I've seen before include "Stop at sea" , "Stop sailing" , "Stop! (naut.)" , "Hold fast! (naut.)" , "shout stopping the ship" .)