Answer:

bosn

Answer	Crossword Clue
BOSN	Gobs are "under his thumb"
BOSN	Deck foreman
BOSN	Petty officer

BOSN	Warrant officer
BOSN	Petty officer at sea
BOSN	Apostrophized hand
BOSN	Cap'n's mate
BOSN	Deck officer, for short
BOSN	Warrant officer, for short
BOSN	Merchant vessel officer, briefly
BOSN	Cap'n's underling

BOSN	Officer in charge of rigging, briefly
BOSN	Ship's officer, briefly
BOSN	Warship officer, for short
BOSN	Merchant off.
BOSN	Seaman's superior, briefly
BOSN	Cap'n's crew member
BOSN	Warrant officer, in common speech
BOSN	Officer in charge of the anchor, for short

BOSN	Warship warrant officer, commonly
BOSN	One in charge of anchors and rigging
BOSN	Deck officer
BOSN	Merchant ship officer, briefly
BOSN	Ship's petty officer, familiarly
BOSN	Warship warrant off.
BOSN	Warship warrant officer
BOSN	Smee's position, in "Peter Pan"

BOSN	Crew boss
BOSN	Deck department supervisor, briefly
BOSN	Deck honcho, informally
BOSN	One of the cap'n's crew
BOSN	Warship officer
BOSN	Cap'n's subordinate
BOSN	Deck officer, briefly
BOSN	Anchor man

BOSN	Ship's petty officer
BOSN	Naval officer, briefly
BOSN	Petty officer, for short.
BOSN	Ship's petty officer.
BOSN	Crew member.