lateral line

noun

1. the line, or system of lines, of sensory structures along the head and sides of fishes and amphibians, by which the animal is believed to detect water current and pressure changes and vibrations.

lateral line

1. A series of tubelike canals along the head and sides of fish and some amphibians by which vibrations, as from water currents, and changes in pressure are detected.

Word History and Origins

Origin of lateral line¹

First recorded in 1865–70

Example Sentences

Dyes can deposit in fishes' gills, lateral lines or brains, leading to toxicological effects such as uncoordinated movement, respiratory distress, liver damage and kidney dysfunction.

From Science Daily

However, the property owner told agents the septic tank and lateral lines installed by Triplett had been completed on Sept. 8.

From Fox News

The packaging tears easily along the lateral lines, while they are unyielding along the longitudinal lines.

From Seattle Times

On Sunday evening it said that although its four mainlines remain offline, some smaller lateral lines between terminals and delivery points are now operational.

From BBC

Then, four lateral lines will be drilled to make way for the 12-inch pipe that will run up to 170 feet under the river from which water will be drawn.

From Washington Times