Definition of caudal in US English:



  • 1Of or like a tail.

    • ‘Their caudal vertebrae differ however, in that those of phlegethontiids exhibit a posterior displacement of the foramina.’
    • ‘Scales from mid-body to the tail and the caudal and dorsal fins have black spots.’
    • ‘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.’
    • ‘The associated hadrosaur material consists of four caudal vertebrae and a fragmentary dentary.’
    • ‘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.
      • ‘In the posterior precaudal and anterior caudal vertebrae rib shafts become hairlike structures.’
      • ‘The needle is inserted into the interscalene groove in a slightly medial, caudal, and posterior direction to avoid the vertebral column and vascular structures.’
      • ‘The body of the seventh sometimes bears bilaterally, near its caudal border, a costal pit for the head of the first rib.’
      • ‘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).’
      rear, hind, back, hinder, rearward
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Mid 17th century: from modern Latin caudalis, from Latin cauda ‘tail’.