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diving beetle

American

noun

any of numerous predaceous water beetles of the family Dytiscidae, having the body adapted for swimming.

diving beetle British

noun

any of the aquatic predatory beetles of the widely distributed family Dytiscidae, characterized by flattened hindlegs adapted for swimming and diving

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While these tangles are tight, the earliest sign of a predatory diving beetle will send the fleshy worms squirming in all directions.

From Scientific American • Apr. 27, 2023

The diving beetle, Capelatus prykei, is about two-fifths of an inch long — large compared with other diving beetles.

From New York Times • May 11, 2015

The team, led by Dr Kai-Jung Chi from National Chung Hsing University in Taiwan, directly measured the gripping force of the "attachment devices" on the leg bristles of two diving beetle species.

From BBC • Jun. 10, 2014

Scientists in Taiwan have revealed how a diving beetle hangs on to its mate underwater.

From BBC • Jun. 10, 2014

The sperm of the diving beetle, which gets its name from its ability to swim underwater, occur in many shapes and forms.

From Scientific American • Feb. 21, 2012

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023