galley / gally are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
galley: (noun) a large medieval vessel with a single deck propelled by sails and oars with guns at stern and prow; a complement of 1,000 men; used mainly in the Mediterranean for war and trading. (noun) (classical antiquity) a crescent-shaped seagoing vessel propelled by oars. (noun) the kitchen area for food preparation on an airliner. (noun) the area for food preparation on a ship.
gally: NA
galley: g·AE·l·iy
gally: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)