Definition of "barrel-shaped" [barrel-shaped]

• Having the form of a barrel, that is, of a short cylinder with bulging sides: used especially in describing the eggs of certain insects.

The Century Dictionary (Public Domain)

• "While the 15mm adult is heavy, barrel-shaped and wingless, the young beetles are tiny."
• "There is a barrel-shaped tower dedicated to the Brownings, a pyramid to Moses, a battlement-like tower dedicated to General John C. Frémont."
• "What Ms. Page wanted was a barrel-shaped roof like one on a house she'd seen in Maine."