Definitions

1. noun

a curved or bent beam, especially one of those forming the frame of a medieval roof

“The old church had a beautiful cruck roof with intricate carvings.”

2. verb

to bend or twist (something), especially in a curved or bent shape

“The rope crucked under the weight of the heavy load.”

3. verb

to bend or twist (a beam or a similar structure), especially in a curved or bent shape

“The carpenter tried to cruck the wooden beam into a curved shape.”