1. (

• suction

) a force over an area produced by a pressure difference ;

2. (

• sucking ,
• suck ,
• suction

) the act of sucking ;

1. (

• suction

) remove or draw away by the force of suction; "the doctors had to suction the water from the patient's lungs" ;

2. (

• suction

) empty or clean (a body cavity) by the force of suction; "suction the uterus in an abortion" ;