What does "put down" mean?

Write down; also, enter in a list. For example, Please put down my name for a free ticket, or Put me down as a subscriber. [Second half of 1500s]
Bring to an end, repress, as in They managed to put down the rebellion in a single day, or We've got to put down these rumors about a takeover. [c. 1300]
Kill a sick animal, as in The vet said the dog must be put down. [Mid-1500s] Also see put away, def. 5.
Belittle, disparage, criticize, as in Her husband was always putting her down. [c. 1400] Also see run down, def. 6.
Ascribe, attribute, as in We put her poor performance down to stage fright. [Late 1700s]
Regard, classify, as in We put her down as a hypochondriac. [Mid-1800s]
Pay a deposit, as in We put down $2,000 for the car.
Store for future use, as in David put down ten cases of this year's Chablis. [Mid-1800s]
Land in an aircraft; also, land an aircraft, as in What time will we put down at Heathrow? or She put the plane down exactly on the runway. [c. 1930]
Put a child to bed, as in The sitter said she'd put Brian down at 8:30. [Second half of 1900s]

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