1 in a vehicle
ADJ. bottom, top driving along in top gear | high, low | first, second, etc. | reverse
VERB + GEAR engage, select Engage first gear and move off. | change, change into, move into, put/slam/slip sth into, shift (into), switch It's difficult to steer and change gear at the same time. She put the car into first gear and drove off. (figurative) The party organization is moving into top gear as the election approaches. | move up, step up (often figurative) Coming out of the final bend, the runner stepped up a gear to overtake the rest of the pack. | crash, grind He was crashing the gears because he was so nervous.
GEAR + NOUN change She made a smooth gear change. | lever, stick (also gearstick)
PREP. in (a/the) ~ driving along in third gear Some drivers leave the car in gear when parking on hills. | out of ~ Leave the car out of gear.
ADJ. camping, climbing, fishing, running, sports, swimming, walking | breathing firemen in breathing gear | landing, winding the plane's landing gear | combat, riot | outdoor | designer wearing expensive designer gear
VERB + GEAR be dressed in, have on, wear She had her running gear on. | put on, take off
PREP. in … ~ a group of young men in combat gear