- galleyA long, slender ship propelled primarily by oars, whether having masts and sails or not; usually a rowed warship used in the Mediterranean from the 16th century until the modern era.
- galeaA Roman helmet.
- galeaspidAny of the extinct class †Galeaspida of jawless fish.
- galèreAn undesirable, difficult, or burdensome situation.
- galleassA type of rowable vessel of the 16th and 17th centuries, similar to a galley but larger, and normally equipped with sails.