Third-person singular simple present indicative form of fill out.
Fills-out Sentence Examples
The Aleutian Range, of whose crest the Aleutian Islands are remnants, fills out the system near the coast.
It is said that when old people eat figs frequently, their wrinkled skin fills out.
These children were older in years, it is true, than the baby who lisps, "Papa kiss baby--pretty," and fills out her meaning by pointing to her new dress; but their ability to understand and use language was no greater.
The figure for "net income" is taken from the "Income and Expense Declaration" form each parent fills out.