noun
sense organs of fish and amphibians; believed to detect pressure changes in the water
• Syn: ↑lateral line
• Hypernyms: ↑sense organ, ↑sensory receptor, ↑receptor
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noun1. : a system of epithelial mucus-secreting tubes in the sides of most fishes, supplied at intervals with sensory endings and considered to be responsive to low frequency vibrations
2. : one of the sensory end organs of the lateral line organ
Useful english dictionary. 2012.