A concave shape with an open top

Usage examples of trough.

After passing through the benzoline trough the wool passes through a similar trough filled with water.

I followed it out to the kitchen, and, as it touched the blue lights over the trough, beginning the process that would extrude my meat, would fill my mug with milk, it seemed to move as though exhausted.

The trough that was midlife was full of waves that could lift a man up and then drop him down just as deep.

Zodiac rocking in the troughs between waves, they lowered a Neuston net over the side.

Even as she watched, the trough overfilled with water and began to flood the bank.

The Principessa had rolled into a trough caused by the inshore swell, and the ball from the second carronade went into the hull below the windows at a downward angle.

In those chambers, Licky had told him, the vapor of the quicksilver was trapped and condensed, reheated and recondensed, till in the topmost vault the pure metal ran down into a stone trough or bowl-only a drop or two a day, he said, from the low-grade ores they were roasting now.

Troughs of briny water filled the lowest spots on the floor, but they had hours to explore before the tide resurged through this opening to fill it dangerously.

Waves spouted higher than the mast had been, but the hull swam up from the trough of its arrival.

Administration and the CPC, working our way along molded troughs of plastic covered with the greenish-silver substrate left by the barnacles, past an electric array, beneath a tree of radiator panels thirty times as tall as a man, and entered the emergency lock at its nether end.

Than lead the wretched revelry Where fools at swinish troughs carouse.

The cries, the howlings of the women, who ran trough the streets throwing, according to the custom of the country, dust in the, air, excited the male inhabitants to a desperate resistance, which rendered unavailing, this short occupation of the town, by a handful of men, who, finding themselves left without assistance, retreated towards the breach.

In areas of the apex of the wave, disturbance was powerful enough that there was no need for waves to interfere with each other to distort the real world, the wave itself was what did the initial damage, and created what we call the Pelagir Hills and what you call the Uncleansed Landsand yet, entire nations who happened to be in the trough of the wave remained relatively unscathed.

Out of a trough up in the Alleghany Mountains--one of those troughs occupied by the sinewy Scotch-Irish pioneers who first, after the French, as you will recall, crept down into the great valley--there journeyed one day, a century after Celoron, a young man on horseback.

It was a world of ceralean blues, deep-velvet purples, inked greens, of wide brainstone coral cliffs and deep-bottomed troughs where the sea turned black in the chartless depths--a world of eel and octopus and squid, of the soldier crab and the loggerhead turtle, of jeweled angelfish, gliding manta rays, and great blue marlin.