firmly established by evidence and impossible to deny or doubt

to cut or dig (a canal, tunnel, well etc.)

to speak with conviction

To dig or drill a well.

(rock) drilling

to bore or chisel a hole

To make far-fetched claims or offer forced and outlandish explanations.

to study hard in the face of extreme poverty or hardship (lit. to bore a hole in the wall to borrow a neighbor's light)

mutually incompatible or ill-fitting; like a square peg in a round hole

established and irrefutable

fitting together perfectly like a mortise and tenon joint

to scuttle (a ship)

to carve or chisel a raw material into a finished object or shape

rock quarry

to make a hole or create an opening

a forced analogy; to jump to an unwarranted conclusion

(dialect) stubborn; obstinate; inflexible