Trunnel meaning

A trunnel is a wooden peg used to fasten the planks of a ship together.


Trunnel definitions

Word backwards lennurt
Part of speech The word "trunnel" is a noun.
Syllabic division trun-nel
Plural The plural of the word "trunnel" is "trunnels."
Total letters 7
Vogais (2) u,e
Consonants (4) t,r,n,l

Trunnels, also known as treenails or trunnion pins, are wooden pegs used in traditional boat-building and timber frame construction. These pegs are typically made from a hardwood like oak or locust and serve to fasten the planks or beams together without the use of metal hardware.

History of Trunnels

In shipbuilding, trunnels have been used for centuries as a vital component in constructing strong, seaworthy vessels. The unique properties of wood, such as its flexibility and ability to swell when wet, make trunnels an ideal choice for securing the joints of a wooden ship. Trunnels were also commonly used in timber frame buildings, providing a natural and durable method of joinery.

How Trunnels are Made

Trunnels are crafted by hand using traditional woodworking techniques. The wood is carefully selected for its strength and durability, then shaped and tapered to fit snugly into pre-drilled holes. Once in place, the trunnel is wedged or pinned into position, creating a secure and long-lasting connection between the wooden components.

Benefits of Trunnels

One of the primary benefits of using trunnels in construction is their ability to move and flex with the natural expansion and contraction of wood. Unlike metal fasteners, trunnels allow for slight movement without compromising the structural integrity of the building. Additionally, trunnels are biodegradable and environmentally friendly, making them a sustainable choice for traditional craftsmen.

Trunnels are a time-honored method of joinery that continues to be valued for its strength, durability, and aesthetic appeal. While modern construction methods often rely on metal fasteners, the use of trunnels harkens back to a time when craftsmanship and attention to detail were paramount in building sturdy structures that stood the test of time.


Trunnel Examples

  1. The shipbuilder used a trunnel to secure the planks of the boat.
  2. The artisan carefully hammered the trunnel into place to ensure a strong joint.
  3. The historic cathedral's wooden beams were held together by trunnels.
  4. The trunnel was inserted into the hole and then wedged tightly in place.
  5. Using trunnels instead of nails provides a more authentic look to antique furniture.
  6. The trunnel was made of oak for its durability and strength.
  7. The traditional boat builder insists on using trunnels for all his projects.
  8. The trunnel needed to be carefully sanded down to fit snugly into the hole.
  9. The construction workers relied on trunnels to connect the wooden beams of the bridge.
  10. The trunnel was secured with a mallet to ensure a tight fit.


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  • Updated 15/06/2024 - 12:24:05