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Webster 1913 Edition

Hydropiper

‖

Hy′dro-piˊper

,

Noun.

[NL., fr. Gr.

ὕδωρ

water + L.

piper

a pepper.]

(Bot.)

A species (

Polygonum Hydropiper

) of knotweed with acrid foliage; water pepper; smartweed.