"scrambler" in the noun sense
1. scrambler
a rapid mover someone who scrambles
"their quarterback was a good scrambler"
"scramblers can often unnerve a better tennis player"
2. trail bike, dirt bike, scrambler
a lightweight motorcycle equipped with rugged tires and suspension an off-road motorcycle designed for riding cross country or over unpaved ground
3. scrambler
electronic equipment that makes speech unintelligible during transmission and restores it at reception
Source: WordNet® (An amazing lexical database of English)
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