Dictionary

A female deer; also used of similar animals such as antelope, (less commonly goat as nanny is also used).

A female rabbit.

A female hare.

A female squirrel.

(auxiliary) A syntactic marker.

To perform; to execute.

Example: All you ever do is surf the Internet. What will you do this afternoon?

To cause, make (someone) (do something).

To suffice.

Example: it’s not the best broom, but it will have to do;  this will do me, thanks.

Though