serosa /si-rōˈzə or -sə/ (zoology)

1. An epithelial layer formed in the development of an insect's egg
2. A serous membrane, such as the peritoneum (see serous)

serōˈsal adjective

• harissa
• harissas
• hark
• hark away
• hark back
• hark-back
• hark-backs
• harked
• harken
• harkened
• harkening
• harkens
• hark forward
• harking
• harks
• harl
• harled
• Harleian
• harlequin
• harlequinade
• harlequinades
• harlequin duck
• harlequin ducks
• harlequined
• harlequining