1. (

• drum ,
• beat ,
• thrum

) make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night" ;

2. (

• drum

) play a percussion instrument ;

3. (

• cram ,
• grind_away ,
• drum ,
• bone_up ,
• swot ,
• get_up ,
• mug_up ,
• swot_up ,
• bone

) study intensively, as before an exam; "I had to bone up on my Latin verbs before the final exam" ;