log2 past tense and past participle logged, present participle logging
to make an official record of events, facts etc:
All phone calls are logged.
to travel a particular distance or for a particular length of time, especially in a plane or ship:
The pilot has logged 1200 flying hours.
3 [intransitive and transitive]TAF
to cut down trees
log in/onphrasal verb
to do the necessary actions on a computer system that will allow you to begin using it
log in/on to
You need to log on to your home page.
log off/outphrasal verb
to stop using a computer system by giving it particular instructions