Dictionary Definition :
Definition[1]
:
arca-nas mfn. (fr. arcā below), 'one whose nose is like that of an idol' Kāś. and Pat. on Pāṇ. 5-4, 118. [The rule perhaps originally meant to explain the above N. arcanấnas, taking it for arcanā́nas, 'whose nose shows submission or devotion.']
Source
:
Sanskrit-English Dictionary, by M. Monier William