protochordate

[proh-toh-kawr-deyt]

noun Zoology.

any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.

Nearby words

  1. proto-norse,
  2. proto-oncogene,
  3. protoactinium,
  4. protoavis,
  5. protocal,
  6. protocol,
  7. protocols,
  8. protocontinent,
  9. protoctist,
  10. protoctista

Origin of protochordate

1890–95; < New Latin Protochordata name of the group; see proto-, chordate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for protochordate

protochordate

noun

any chordate animal of the subphyla Hemichordata (acorn worms), Urochordata (tunicates), and Cephalochordata (lancelets)

adjective

of or relating to protochordates
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