dragonlength means A distance equal to the length of a dragon. Lexicurio rates it Sui generis — a strength score of 95 out of 100.
Etymology
From dragon + length.
noun
- A distance equal to the length of a dragon.“Further investigation proved that the plateau was isolated and ample to pasture a huge herd of food[-]beasts for the dragons. It ended in a sheer drop of several dragonlengths into denser jungle on one side, the sea-side escarpment on the other.”