1. (

• shelf

) a support that consists of a horizontal surface for holding objects ;

2. (

• ledge ,
• shelf

) a projecting ridge on a mountain or submerged under water ;

1. (

• postpone ,
• prorogue ,
• hold_over ,
• put_over ,
• table ,
• shelve ,
• set_back ,
• defer ,
• remit ,
• put_off

) hold back to a later time; "let's postpone the exam" ;

2. (

• shelve ,

) place on a shelf; "shelve books" ;