1 [loo-pin]
any of numerous plants belonging to the genus Lupinus, of the legume family, as L. albus (white lupine) of Europe, bearing edible seeds, or L. perennis, of the eastern U.S., having tall, dense clusters of blue, pink, or white flowers.

1350–1400; Middle English < Latin lupīnus, lupīnum, apparently noun use of lupīnus lupine2; compare German wolfsbohne lupine, literally, wolf bean Unabridged


2 [loo-pahyn]
pertaining to or resembling the wolf.
related to the wolf.
savage; ravenous; predatory.

1650–60; < Latin lupīnus of a wolf, equivalent to lup(us) wolf + -īnus -ine1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
lupin or (US) lupine (ˈluːpɪn)
any leguminous plant of the genus Lupinus, of North America, Europe, and Africa, with large spikes of brightly coloured flowers and flattened pods
[C14: from Latin lupīnus wolfish (see lupine); from the belief that the plant ravenously exhausted the soil]
lupine or (US) lupine
[C14: from Latin lupīnus wolfish (see lupine); from the belief that the plant ravenously exhausted the soil]

lupine (ˈluːpaɪn)
of, relating to, or resembling a wolf
[C17: from Latin lupīnus, from lupus wolf]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

"wolf-like," 1650s, from Fr. lupine "wolf-like," from L. lupinus "of the wolf," from lupus "wolf" (see wolf). The plant name is attested from late 14c., from L. lupinus; but the reason for association with the animal is unclear; perhaps it was so called because of a belief
that the plants were harmful to soil.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
lupine   (l'pīn')  Pronunciation Key 
Characteristic of or resembling wolves.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The first was that it was a carry-over from dogs' lupine ancestors.
In the summer, you may see wildflowers such as spotted coralroot, violets and
The flowers of this lupine are blue or mostly blue, in dense, terminal racemes.
Now before red wolves taste freedom, they're given an acclimation period in
  their own lupine halfway house.
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