Definition of deadlight in English:

Share this entry


Pronunciation: /ˈdedlīt/


1A protective cover or shutter fitted over a porthole or window on a ship.
Example sentences
  • The side facing me had five square windows complete with deadlight covers, all encrusted in coral.
  • As we dropped off the tip of the bow to seabed level and swam along the wreck, we could see numerous portholes, all with heavy-duty deadlights securely fixed shut.
  • Fresh air was admitted through two large wind sails in the forward hatches, and also through the deadlights upon each side of the ship.
2US A skylight designed not to be opened.
Example sentences
  • The fully insulated oval glass front door with the 12"x36" deadlight above it really brightens up the front entrance.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.