Definition of undulatory in US English:



  • See undulate

    • ‘However, their vertebral structure appears to have retained the primitive undulatory movement of the axial column.’
    • ‘Swimming in salamanders is similar to the undulatory swimming described for elongate fishes.’
    • ‘This overall morphological simplicity, in theory, makes tadpoles good models for exploring how vertebrates control undulatory movements.’
    • ‘The sandstones show variable grading, with planar, rippled and undulatory lamination.’
    • ‘Regional and temporal variation in bending moments and power production have also been predicted to occur during steady undulatory swimming in fish.’