Hornbeam \Horn"beam`\, n. [See Beam.] (Bot.)
A tree of the genus Carpinus (Carpinus Americana), having
a smooth gray bark and a ridged trunk, the wood being white
and very hard. It is common along the banks of streams in the
United States, and is also called ironwood. The English
hornbeam is Carpinus Betulus. The American is called also
blue beech and water beech.
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Hop hornbeam. (Bot.) See under Hop.
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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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