thirl
1 of 2noun
ˈthər(-ə)l 
dialect
: hole, perforation, opening
thirl
2 of 2verb
thirled; thirling; thirls
transitive verb
dialectal British
: pierce, perforate
Word History
Etymology
Noun
Middle English, from Old English thyrel, from thurh through — more at through entry 1
First Known Use
Noun
before the 12th century, in the meaning defined above
Verb
before the 12th century, in the meaning defined above