1. To receive a loan of money from someone or some institution. I had to float a loan to pay for the medical expenses. Thankfully they were able to float a loan and implement the repairs and upgrades the health inspector had demanded.

2. To give, or arrange for someone to give, a loan of money to someone else. In this usage, a noun or pronoun is used after "float." I'd be happy to float you a loan to help get your business off the ground. The house needs a lot of work, so they're looking around at creditors who might be willing to float them a loan.