baulk
baulk
noun
A large, roughly squared timber beam, often used in construction.
"The old bridge was built with heavy baulks."
verb
To hesitate or refuse to proceed with something due to reluctance.
"Many baulk at the idea of public speaking."
Thesaurus
Synonyms: jib, balk, resist, rafter, hindrance, handicap, deterrent, check, hinderance, impediment