['lipәgræm,'lai-]
n.
避讳某字之文

[ noun ]
a text that excludes a particular letter or particular letters of the alphabet
<noun.communication>

Lipogram \Lip"o*gram\ (l[i^]p"[-o]*gr[a^]m; 277), n. [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.