The action or an instance of flowing or coming out, an outflow, particularly:

Someone or something that flows out or comes out, particularly:

The means or opportunity by which something flows or comes out, particularly:

To flow out, to proceed from, to come out or from.

“The rents issuing from the land permitted him to live as a man of independent means.”

To rush out, to sally forth.

“The men issued from the town and attacked the besiegers.”

To extend into, to open onto.

“The road issues into the highway.”