dulla means an inflatable sac in the throats of camels, displayed out of the mouth when in rut to assert dominance and attract females. Lexicurio rates it Sui generis — a strength score of 100 out of 100.
Etymology
From Arabic دَوْلَة (dawla).
noun
- An inflatable sac in the throats of camels, displayed out of the mouth when in rut to assert dominance and attract females“The soft palate, also called a "dulla", can be extended. The rutting male protrudes the dulla from its mouth.”