| 释义 |
taffrail log
taffrail logn. See patent log.Thesaurus| Noun | 1. taffrail log - a cigar-shaped log with rotary fins that measure the ship's speedpatent log, screw loglog - measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water |
taffrail log
taffrail log[′taf‚rāl ‚läg] (engineering) A log consisting essentially of a rotator towed through the water by a braided log line attached to a distance-registering device usually secured at the taffrail, the railing at the stern. Also known as patent log. taffrail log
Synonyms for taffrail lognoun a cigar-shaped log with rotary fins that measure the ship's speedSynonymsRelated Words |