Trifolium procumbens
(gcide) | 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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