From The Collaborative International Dictionary of English v.0.48 [gcide]:
Lipogram \Lip"o*gram\ (l[i^]p"[-o]*gr[a^]m; 277), noun [Gr. lei'pein, lipei^n, to leave, omit + -gram.] A writing composed of words not having a certain letter or letters; -- as in the Odyssey of Tryphiodorus there was no A in the first book, no B in the second, and so on.
From WordNet (r) 3.0 (2006) [wn]:
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Eye and Pyramid BANKING REFORM CHALLENGE