أَرْقَبُ

and ↓ رَقَبَانِىٌّ, (JK, S, A, K,) the latter irregular (Sb, S, K) as a rel. n., (Sb,) and ↓ رَقَبَانٌ, (IDrd, K,) applied to a man, (S, IDrd, A,) Thick, (JK, S, K,) or large, (A, Mgh, in which latter only the second epithet is mentioned,) in the رَقَبَة [or neck, &c.]: (JK, S, A, K:) the feminine [of the first] is رَقْبَاءُ, (JK, IDrd,) applied to a female slave, (JK,) not applied to a free woman, nor does one say رَقَبَانِيَّةٌ. (IDrd.)

الأَرْقَبُ is also [an epithet] applied to The lion; (K;) because of the thickness of his رَقَبة. (TA.)