A flowing back again.
the flow and reflow of the tide
The process of recreating the layout of a document when some of its component elements have changed.
To flow back again.
The sea flows and reflows.
To cause to flow again, to remelt.
Reflowing solder is a common form of rework in the manufacture of printed circuit boards: you heat up the solder and it flows where it should have flowed the first time.
(wordprocessing) To modify the layout of text around other objects in a document.