Tidal-bore

noun
1.
an abrupt rise of tidal water moving rapidly inland from the mouth of an estuary.
verb
1.
to produce (a hole) in (a material) by use of a drill, auger, or other cutting tool
2.
to increase the diameter of (a hole), as by an internal turning operation on a lathe or similar machine
3.
(transitive) to produce (a hole in the ground, tunnel, mine shaft, etc) by digging, drilling, cutting, etc
4.
(intransitive) (informal) (of a horse or athlete in a race) to push other competitors, esp in order to try to get them out of the way
noun
5.
a hole or tunnel in the ground, esp one drilled in search of minerals, oil, etc
6.

a circular hole in a material produced by drilling, turning, or drawing
the diameter of such a hole

7.

the hollow part of a tube or cylinder, esp of a gun barrel
the diameter of such a hollow part; calibre

8.
(Austral) an artesian well
verb
1.
(transitive) to tire or make weary by being dull, repetitious, or uninteresting
noun
2.
a dull, repetitious, or uninteresting person, activity, or state
noun
1.
a high steep-fronted wave moving up a narrow estuary, caused by the tide
verb
1.
the past tense of bear1
bore
(bôr)

In fluid mechanics, a jump in the level of moving water, generally propagating in the opposite direction to the current. Strong ocean tides can cause bores to propagate up rivers.

The white, shallow portion of a wave after it breaks. The bore carries ocean water onto the beach.

A tidal wave caused by the surge of a flood tide upstream in a narrowing estuary or by colliding tidal currents.