noun uro·chord \ˈyu̇rəˌkȯrd\

Definition of urochord

  1. 1 :  the notochord of larval ascidians and of various adult tunicates

  2. 2 [New Latin Urochorda] :  2urochordate

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Origin and Etymology of urochord

2ur- + chord; from its being chiefly confined to the tail region

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a trip made at another's expense

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