What is Put down ?
Put down is (verb) 1. to place something lower down onto a surface He put his suitcase down on the floor beside him. 2. to write something down 3. to charge something Put that book down on my account. 4. to let passengers get off The taxi driver put me down outside the hotel. 5. to make a deposit to put down money on a house 6. to kill a sick animal The cat is very old, she’ll have to be put down. 7. to defeat a group of people who make an attack against people in authority to put your foot down 1. to say firmly that something must be done She put her foot down and told them to stop playing music all night. 2. to make a car go faster He put his foot down and we soon left the police car behind.
source: Easier English, Student Dictionary Upper Intermediate Level