Tracing back to an Anglo-French adjective waif meaning "stray, unclaimed," the English noun waif referred in its earliest 14th century uses to unclaimed found items, such as those gone astray (think cattle) and those washed ashore (think jetsam), as well as to the king's (or lord's) right to such property.

What does Waifed mean?

Definition of WAIFED:

WAIF, to throw away [v]

What is the saying waifs and strays?

British. : people or animals that do not have a home.