tidal wave in Portuguese

A large and sudden rise and fall in the tide.

(proscribed) A large, sudden, and disastrous wave of water caused by a tremendous disturbance in the ocean; a tsunami. (See Usage notes below.)

(proscribed) A large, sudden, and disastrous wave of water caused by a tremendous disturbance in the ocean; a tsunami. (See Usage notes below.)

(proscribed) A large, sudden inundation of water from the storm surge, or waves of that surge; a sudden surge of river water.