tenon

TEN-un /ˈtenən/
nounverbC2GRE
specializedtechnical

A projecting tongue carved onto the end of a piece of wood for insertion into a corresponding mortise hole.

Refers exclusively to the male (projecting) element of a mortise-and-tenon joint.

The story behind the word. From Latin tenere through Old French tenon, the word literally translates to 'that which holds fast' inside a socket.

Word relationships

  • tongue: 'Tongue' refers to a continuous wooden ridge along a board's edge; 'tenon' is a single targeted end projection.
  • peg: 'Peg' is usually cylindrical and separate; 'tenon' is carved directly out of the main timber piece.
  • mortise: The female cavity carved out to receive the tenon.

Commonly confused with

  • tendon: A 'tendon' connects muscle to bone in biological bodies; a 'tenon' joins wood in carpentry.

Word family

  • tenoned (adjective): Fitted or shaped with a tenon projection.

Collocations

  • mortise and tenon
  • tenon saw
  • haunched tenon
  • snug tenon

Example sentences

  • "If the tenon is cut even a fraction of a millimeter too thin, the entire joint will wobble." Furniture Engineering
  • "The woodworker sawed the shoulders of the tenon to ensure a flush, seamless fit against the post." Traditional Joinery

Memory hook

TENON has TEN fingers that hold fast in the mortise hole. TENON = Timber Extension Navigating Open Notch.

When not to use

Do not confuse with a cylindrical pin (dowel) or the socket into which it fits (mortise).

Fun facts

  • Archaeologists found mortise and tenon joints in the wooden solar boat of Pharaoh Khufu, dating back over 4,500 years.

Related words

mortise, joinery, dowel

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