Ovisacs is a 7 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 13 points.
You can make 131 anagrams from letters in ovisacs (aciossv).
First recorded in 1825-35; ovi- + sac
In late summer the female often drops off to the ground, leaving only the ovisac observable on the leaf.
The eggs in this ovisac are numerous, perhaps some hundreds.