Captains and Ships

captain

noun  cap·tain  \ ˈkap-tən also ˈkap-ᵊm \

1: b (1) a naval officer who is master or commander of a ship 
(2) a commissioned officer in the navy ranking above a commander and below a commodore and in the coast guard ranking above a commander and below a rear admiral
2: one who leads or supervises

ship

nounoften attributive  \ ˈship \

1: a large seagoing vessela sailing vessel having a bowsprit and usually three masts each composed of a lower mast, a topmast, and a topgallant mast
2boatespecially one propelled by power or sail
3: a ship's crew