overfalls

The heave of the sea made it most difficult for her to use her periscope with certainty, for she had chosen a bad pitch on her ascent -- the furious "overfalls" or "tide-rips" to the west of Lundy

The Submarine Hunters A Story of the Naval Patrol Work in the Great War Edward S. [Illustrator] Hodgson 1917

They found some difficulty in threading a mile and a quarter of very ugly road, a Nakb, passing through rocks glittering with mica; a ladder of stony steps and overfalls, with angles and zigzags where camels can carry only half-loads.

The Land of Midian 2003

The overfalls of rock and the unfriendly thorn-trees, selfishly taking up all the room, necessitate frequent zigzags up and down the rocky, precipitous banks.

The Land of Midian 2003

The gravel of the higher section is good riding; the upper part is often made impassable by large stones and overfalls of rock; and the head is a mere couloir.

The Land of Midian 2003

For the same purpose, concrete slabs or large flat stones should be placed on top of the filter material next to overfalls.

8. Classification of roughing filters 1996

The inlet and, preferably, also the outlet are equipped with V-notch weirs for flow control if weir overfalls of about 20 - 30 cm can be accommodated in the hydraulic profile of the treatment plant.

8. Classification of roughing filters 1996

There were no waves as such, just a bubbling swirling seething maelstrom of whirlpools, overfalls and races, running no way and every way, gleaming boiling white in the overfalls and races, dark and smooth and evil in the hearts of the whirlpools.

When Eight Bells Toll MacLean, Alistair, 1922-1987 1966

There are more reefs and skerries and underwater rocks and overfalls and whirlpools and tidal races in twenty miles there than in the whole of the rest of Scotland.

When Eight Bells Toll MacLean, Alistair, 1922-1987 1966

In the lee of the islands the loch was black as midnight but elsewhere it was a seething boiling white, the waters wickedly swirling, churning, spinning in evil looking whirlpools as it passed across overfalls or forced its way through the narrow channels between the islands or between the islands and the shore.

When Eight Bells Toll MacLean, Alistair, 1922-1987 1966

Again, we would be staggering through the tide-rips and overfalls that infest the open fairway of the Weser on our passage between the Fork and the Pike.

The Riddle of the Sands Childers, Erskine, 1870-1922 1955