Definition, synonyms and related words
plural of shelf
"The new bookcase has four shelves to hold my collection of encyclopedias."
Third-person singular simple present indicative form of shelve
"The bookshelf refuses to shelve any more volumes until the dust is wiped away."
In plain English: To shelf something means to put it on a shelf for storage, though this usage is rare and usually replaced by just saying you are storing or putting away an item.
"The librarian carefully shelves each new book in its correct place on the stack."