sainō
1. gill sac; branchial sac
Noun
#222920
1. gill sac; branchial sac
1. If/when gill pouches; If there are gill pouches
1. Wasn't a gill pouch.; Wasn't gill pouches.
1. Was not a gill pouch.; Was not a gill sac.
1. Probably gill slits.
1. If/when gill slits; When having gill slits
1. If/when gill slits; If it had gill slits
1. It is not a gill pouch.
1. Gill pouch; Relating to gill pouches
1. Was a gill pouch.