ratchet
//ˈrætʃɪt//
Noun
ratchetSingular
ratchetsPlural
1
A mechanical device consisting of a toothed wheel or bar that allows motion in one direction only, prevented from reversing by a pivoted pawl.
The ratchet mechanism prevents the wheel from spinning backward.
2
A situation or process that is perceived to be deteriorating or escalating steadily in one direction without the possibility of reversal.
The conflict has become a ratchet of escalating violence.
Verb
ratchetPresent tense
ratchetedPast tense
ratchetedPast participle
ratchetingPresent participle
ratchetsThird-person singular
1
To cause something to rise or fall by incremental amounts, especially in a way that is difficult to reverse.
The company ratcheted up prices over the course of the year.
2
To operate or move by means of a ratchet mechanism.
He ratcheted the lever to tighten the strap.