n. 册, 卷, 大本书

[ noun ]
a (usually) large and scholarly book
<noun.communication>

Tome \Tome\, n. [F. tome (cf. It., Sp., & Pg. tomo), L. tomus,
fr. Gr. ? a piece cut off, a part of a book, a volume, akin
to ? to cup, and perhaps to L. tondere to shear, E. tonsure.
Cf. {Anatomy}, {Atom}, {Entomology}, {Epitome}. ]
As many writings as are bound in a volume, forming part of a
larger work; a book; -- usually applied to a ponderous
volume.

Tomes of fable and of dream. --Cowper.

A more childish expedient than that to which he now
resorted is not to be found in all the tomes of the
casuists. --Macaulay.