eggsac Arachnid's hatching pouch Where spider babies incubate Spider's silken pouch Pouch spun by some spiders How to score it when you bunt your hard-boiled breakfast to advance the runner? Female spider's pouch Creation of some black widows Arachnid's incubator Female spider's creation Spider's cocoon, e.g. Thing spun by a spider Spider's hatching pouch Spider's pouch Pouch spun by a spider Spider cocoon