notochord

noun/ˈnoʊtəˌkɔrd/

Frequency rank: #19,860 of 20,003 in the WORDED list (wordfreq data)

Meaning

A flexible, rod-like structure that provides support in the embryos of all chordates, later replaced by the vertebral column in vertebrates.

Illustration for the English word “notochord”

Example sentence

During embryonic development, the notochord forms the structural foundation that later guides the formation of the vertebral column.

Synonyms & related words

More words in ranks 19,801–19,900