Definition of caudal in US English:



  • 1Of or like a tail.

    • ‘The associated hadrosaur material consists of four caudal vertebrae and a fragmentary dentary.’
    • ‘Their caudal vertebrae differ however, in that those of phlegethontiids exhibit a posterior displacement of the foramina.’
    • ‘As a result, many boxfishes cannot bend their bodies anterior to their caudal peduncles, and almost all of their swimming movements derive from complex combinations of motions of their five fins.’
    • ‘Scales from mid-body to the tail and the caudal and dorsal fins have black spots.’
    • ‘The decapod remains were located between 0.5 and 3.0 m from a titanosaurian sauropod dinosaur caudal vertebra.’
    1. 1.1 At or near the tail or the posterior part of the body.
      • ‘Each trochlear nerve makes its exit through the caudal tectum (the dorsal portion of the midbrain), immediately lateral to the frenulum of the superior medullary velum.’
      • ‘A perpendicular is erected from the end plate of the most caudal vertebrae, whose inferior end plate tilts maximally to the concavity of the curve (inferior end vertebrae).’
      • ‘The body of the seventh sometimes bears bilaterally, near its caudal border, a costal pit for the head of the first rib.’
      • ‘The needle is inserted into the interscalene groove in a slightly medial, caudal, and posterior direction to avoid the vertebral column and vascular structures.’
      • ‘In the posterior precaudal and anterior caudal vertebrae rib shafts become hairlike structures.’
      rear, hind, back, hinder, rearward
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Mid 17th century: from modern Latin caudalis, from Latin cauda ‘tail’.