- having the general shape of a long oval indented at one side; reniform: a kidney-shaped swimming pool.
Origin of kidney-shaped
First recorded in 1750–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for kidney-shaped
The shell is kidney-shaped, and of a leathery, crustaceous substance.The American Flower Garden Directory
In the buckler-ferns it is kidney-shaped, in the spleenworts long and narrow, and so on.The Swan and Her Crew
George Christopher Davies
Cortical shell with spiny surface, composed of six (or more) kidney-shaped chambers of different size and form.
All four chambers of the cortical shell nearly of the same size and form, kidney-shaped, twice as broad as long.
Three arm-chambers trapezoidal, at the base one-third, at the distal end two-thirds as broad as the three kidney-shaped gates.
- shaped like an oval with an inward curve at one side
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