ondule

noun

on·​du·​le

¦ändə¦lā,

-njə-

plural -s

: a wavy weaving pattern produced by a special reed that alternately spreads and converges a small group of warp threads

Word History

Etymology

French ondulé wavy, from past participle of onduler to wave, ripple, back-formation from ondulation wave, concentric wave-motion in a liquid or gas, probably from (assumed) New Latin undulation-, undulatio concentric wave motion in a liquid or gas

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