noun Ac·ni·da \ak-ˈnī-də\

Definition of Acnida

  1. :  a genus of American herbs (family Amaranthaceae) having entire leaves, greenish spicate flowers, and small utricles — see water hemp 1

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Origin and Etymology of acnida

New Latin, from 2a- + Greek knidē nettle — more at cnida

Seen and Heard

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a trip made at another's expense

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