boomerang
n.— «In fact, last year, 13 per cent of those hired by the company were returnee employees, also known as “boomerangs.”» —“Accounting firm makes sure to stay in touch with past staff” by Ann Kerr Globe and Mail (Toronto, Can.) June 30, 2004. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...