plural of fixed-gear bicycle

A tendency to purchase more equipment than justified by usage and/or price.

plural of planetary gear train

plural of gear-up landing

(aviation) A landing of an aircraft with the landing gear retracted due to the pilot(s) forgetting to extend the gear or to take some other action necessary for the gear to deploy.

(UK, informal) The assignment of a property to a tax band by an estate agent who evaluates the property while driving past it.

plural of second-gear valuation

(aviation) Synonym of bicycle landing gear

(aviation) A form of landing gear having the main gear and nosegear located fore and aft of the center of gravity under the fuselage with outriggers on the wings.

(US, idiomatic) To exert effective effort; to get going; to get moving; to start producing.