honey locust

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several trees of the genus Gleditsia of the pea family, especially G. triacanthos of eastern North America, which has pinnately compound leaves, large twisted pods with a sweet pulp, and usually thorns on the trunk and branches.

from The Century Dictionary.

• noun An ornamental North American tree, Gleditschia triacanthos.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A North American deciduous tree (Gleditsia triacanthos) having fragrant flowers and hard red wood.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun tall usually spiny North American tree having small greenish-white flowers in drooping racemes followed by long twisting seed pods; yields very hard durable reddish-brown wood; introduced to temperate Old World