screw log

1. 1.

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

   Synonymspatent logtaffrail log

   Broaderlog

Questions about screw log

What does screw log mean?

screw log means "a cigar-shaped log with rotary fins that measure the ship's speed".

What is another word for screw log?

Close synonyms include patent log, taffrail log. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is screw log a common word?

screw log is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.