Meanings of huge comber in English

Pete floated inshore on a huge comber, ran up the beach a little way and sat down.

As the wave speeds on, and the bottom strikes the ground, the top breaks into a huge comber.

The huge combers coursing up its strand broke twenty feet high and offered nothing but utter destruction to any small craft that attempted a landing.

Then our own rower flung himself prone and we all clung to the skiff as huge combers from the trireme's wake buffeted our tiny craft.