| Answer | Crossword Clue |
|---|---|
| hydropneumatic | utilizing water and air acting together |
| plastrons | (in an aquatic insect) A patch of cuticle covered with hairs that retain a thin layer of air, acting like a gill for breathing under water |
| Answer | Crossword Clue |
|---|---|
| hydropneumatic | utilizing water and air acting together |
| plastrons | (in an aquatic insect) A patch of cuticle covered with hairs that retain a thin layer of air, acting like a gill for breathing under water |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.