Solve these clues to fill the grid.
- An outbuilding with a single story
- 2 Across
- A movable organ for flying
- 4 Across
- Of so extreme a degree or extent
- 5 Across
- A written order directing a bank to pay money
- 6 Across
- The irregular motion of waves
- 8 Across
- A course of instruction in a trade
- 9 Across
- A special way of doing something
- 11 Across
- A crosspiece between the legs of a chair
- 12 Across
- The dull explosive noise made by an engine
- 1 Down
- Scaly swimmer that breathes through gills
- 3 Down
- Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile
- 5 Down
- A small fragment of something broken off from the whole
- 6 Down
- A vessel that carries passengers or freight
- 7 Down
- A distinctive or characteristic sound
- 9 Down
- Subsequently or soon afterward
- 10 Down
- A toroidal shape
- 12 Down
