Third-person singular simple present indicative form of gear.(verb)
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Use "gears" in a sentence
"Under the gears is a carbon fiber layer which really sets them off."
"As McCain gears up for the toughest re-election campaign of his career, he has abandoned his support for cutting Medicare and Medicaid by some $1.3 trillion over 10 years and has grown increasingly protective of the government-sponsored program."
"The twin gears have recesses within them that give the gears a sharper cut, this reduces and eliminates the chance of the machines clogging."