Hypertext Webster Gateway: "bookshelf"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Bookshelf \Book"shelf`\, n.; pl. {Bookshelves}.
A shelf to hold books.
From WordNet (r) 1.7 (wn)
bookshelf
n : a shelf on which to keep books
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.