Enter a clue or pattern or both:
The Clue
Insect membrane (6 letter answer)
The Answer
SEROSA
Tags
Notes
The answer SEROSA is so rare that it appears less than once every 2500 puzzles.
Definition
SEROSA as a noun:
1. (serous membrane, serosa) = a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid