n.
a person who evokes boredom
同义词:dullard
a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)
同义词:tidal boreeagreaegireager
diameter of a tube or gun barrel
同义词:gaugecalibercalibre
a hole or passage made by a drill; usually made for exploratory purposes
同义词:bore-holedrill hole