heave the log
Verb
Meaning
heave the log (third-person singular simple present heaves the log, present participle heaving the log, simple past and past participle heaved the log)
(nautical) To determine the speed of a ship by logline and glass.
Verb
heave the log (third-person singular simple present heaves the log, present participle heaving the log, simple past and past participle heaved the log)
(nautical) To determine the speed of a ship by logline and glass.