Definitions
1.VerbTo lower (curtains, a portcullis, etc.).
2.VerbTo reduce (e.g. by withdrawal).
To initiate a drawdown (withdrawal of equipment, supplies, etc., potentially to provide it to another party).
3.VerbTo initiate a drawdown (withdrawal of equipment, supplies, etc., potentially to provide it to another party).
4.VerbTo acquire or pull in, as funding."We need to draw down 10 million dollars."