from
The Collaborative International Dictionary of English v.0.48
Hop \Hop\, n. [OE. hoppe; akin to D. hop, hoppe, OHG. hopfo, G.
hopfen; cf. LL. hupa, W. hopez, Armor. houpez, and Icel.
humall, SW. & Dan. humle.]
1. (Bot.) A climbing plant ({Humulus Lupulus}), having a
long, twining, annual stalk. It is cultivated for its
fruit (hops).
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2. The catkin or strobilaceous fruit of the hop, much used in
brewing to give a bitter taste.
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3. The fruit of the dog-rose. See {Hip}.
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{Hop back}. (Brewing) See under 1st {Back}.
{Hop clover} (Bot.), a species of yellow clover having heads
like hops in miniature ({Trifolium agrarium}, and
{Trifolium procumbens}).
{Hop flea} (Zool.), a small flea beetle ({Haltica concinna}),
very injurious to hops.
{Hop fly} (Zool.), an aphid ({Phorodon humuli}), very
injurious to hop vines.
{Hop froth fly} (Zool.), an hemipterous insect ({Aphrophora
interrupta}), allied to the cockoo spits. It often does
great damage to hop vines.
{Hop hornbeam} (Bot.), an American tree of the genus {Ostrya}
({Ostrya Virginica}) the American ironwood; also, a
European species ({Ostrya vulgaris}).
{Hop moth} (Zool.), a moth ({Hypena humuli}), which in the
larval state is very injurious to hop vines.
{Hop picker}, one who picks hops.
{Hop pole}, a pole used to support hop vines.
{Hop tree} (Bot.), a small American tree ({Ptelia
trifoliata}), having broad, flattened fruit in large
clusters, sometimes used as a substitute for hops.
{Hop vine} (Bot.), the climbing vine or stalk of the hop.
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