taffrail log

n. See patent log.

Thesaurus

Noun

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

[′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

noun

Synonyms for taffrail log

noun a cigar-shaped log with rotary fins that measure the ship's speed

Synonyms

patent log
screw log

Related Words

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