Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
Dutchman's log
Language
Watch
Edit
English
edit
Noun
edit
Dutchman
's
log
(
nautical
,
historical
)
Any early device for measuring the
speed
of a moving
ship
, where a sailor threw a floating object overboard and used a
sandglass
to measure the time it took to pass between two points on deck.