They do this by filling their stomachs, which are extremely elastic, with water.
From the newscientist.com
Knead dough on a lightly floured board until elastic and not sticky, 15 minutes.
From the sltrib.com
A gauze covers both dressings, and an elastic netting holds everything in place.
From the fresnobee.com
Remove the string or elastic from the chicken and put it in a deep roasting tin.
From the independent.co.uk
Mix on low until the ingredients come together and form a smooth, elastic dough.
From the democratandchronicle.com
In running there is a conversion between kinetic, potential, and elastic energy.
From the en.wikipedia.org
Rayleigh waves on ideal, homogeneous and flat elastic solids show no dispersion.
From the en.wikipedia.org
On his right elbow he had a longer, white elastic wrap over a thinner elbow pad.
From the usatoday.com
From a satchel, he takes out two black books held together with an elastic band.
From the economist.com
More examples
Capable of resuming original shape after stretching or compression; springy; "an elastic band"; "a youthful and elastic walk"
Rubber band: a narrow band of elastic rubber used to hold things (such as papers) together
A fabric made of yarns containing an elastic material
Able to adjust readily to different conditions; "an adaptable person"; "a flexible personality"; "an elastic clause in a contract"
(elasticity) the tendency of a body to return to its original shape after it has been stretched or compressed; "the waistband had lost its snap"
Elastic is a 2002 album by jazz saxophonist Joshua Redman. All songs were original compositions.
In economics, elasticity is the ratio of the percent change in one variable to the percent change in another variable. It is a tool for measuring the responsiveness of a function to changes in parameters in a unit-less way. ...
In physics, elasticity is the physical property of a material that returns to its original shape after the stress (e.g. external forces) that made it deform is removed. The relative amount of deformation is called the strain.
(Elasticity (mathematics)) In mathematics, elasticity of a positive differentiable function f at point x is defined as