Definition of flex:
pervert, change form, ferment, plough, grow, wrench, wind, change by reversal, wriggle, worm, move around, wring, wrestle, twine, sophisticate, change shape, strain, wrick, writhe, become, convolute, sour, plow, turn over, turn, release, rick, change state, squirm, deform, crouch, sprain, work, twist around, stoop, call on, reverse, turn away, distort.
- "Voodoo Planet", Andrew North.
- "Diseases of the Horse's Foot", Harry Caulton Reeks.
- "Promenades of an Impressionist", James Huneker.