Find the word definition

Longman Dictionary of Contemporary English
dead wood
noun
EXAMPLES FROM CORPUS
▪ And the potential for catastrophic wildfires is very high because of so much dead wood on the forest floor.
▪ Check for dead wood by scratching the bark with your fingernail.
▪ Cut out the dead wood so that the young new wood can grow and develop.
▪ He was working in a thicket of briar, elder and dead wood from a fallen tree.
▪ In his frustration, Doug picked up a piece of dead wood and flung it as far as he could.
▪ There's definitely a case for decriminalising the removal of dead wood.
▪ These would originally have been topped with a fence of dead wood or a live hedge to keep the animals out.
Wiktionary
dead wood

n. 1 (&lit dead wood English) 2 (context uncountable idiomatic management English) Personnel no longer contributing to an organization.

Wikipedia
Dead Wood

Dead Wood is a 2007 British horror film, written, produced and directed by Sebastian Smith, Richard Stiles and David Bryant and starring Emily Juniper, Fergus March, Rebecca Craven, Nina Kwok and John Samuel Worsey with Bryant appearing in a small role. Dead Wood was shown at film festivals across Italy, the UK and the United States, before being released on DVD throughout Europe and North America in 2009.

Dead Wood (novel)

Dead Wood is a 2009 novel by the British writer Chris Longmuir. It won the Dundee International Book Prize, the largest monetary British Prize for first novels, in 2009, and was published by Polygon Publishing. The novel is based upon the unsolved murders of 18-year-old Carol Lannen and 20-year-old Elizabeth McCabe in Scotland during the 1970s.