Longman Dictionary of Contemporary English homepage

Sense: 1
Date: 1900-2000
Origin: bootstrap 'to boot up' (1900-2000), probably from bootstrap (noun); BOOTSTRAPS
Sense: 2-3
Date: 1800-1900
Origin: BOOT1

boot

2 verb
     
Related topics: Computers, Motor Vehicles
boot2
1TDTD also boot up [intransitive and transitive] to start the program that makes a computer ready to be used [↪ load]
2 [transitive] informal to kick someone or something hard
boot something in/round/down etc
The goalkeeper booted the ball upfield.
3 [transitive] American EnglishTTCSCP to stop someone from moving their illegally parked vehicle by fixing a piece of equipment to one of the wheels [= clamp British English]

boot somebody ↔ out

phrasal verb
to force someone to leave a place, job, or organization, especially because they have done something wrong [= throw out]:
His fellow students booted him out of the class.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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