-कः A beggar, wretch, any hungry or half-starved being; प्रेतरङ्कः Māl.5.16 'the famished or half-starved spirit'; रङ्कस्य नृपतेर्वापि जिह्वासौख्यं समं स्मृतम् Pt.1.254.
Source: Apte
Monier-Williams
Monier Monier-Williams, A Sanskrit–English Dictionary
रङ्कraṅkamfn. niggardly, avaricious Un2. iii, 40
masculine, feminine and neuter; or adjective niggardly, avaricious Un2. iii, 40
masculine, feminine and neuter; or adjective slow, dull ibidem
masculine, feminine and neuter; or adjective poor, miserable, hungry (exempli gratia, 'for example'कङ्क-रङ्क, a hungry or half-starved crane) Prab.
masculine gender a beggar, starveling (प्रे*त-र्that the rest of a word is to be supplied) Ma1lati1m.
Source: Monier-Williams
Macdonell
A. A. Macdonell, A Practical Sanskrit Dictionary
रङ्कraṅka[raṅka] m. starveling, beggar: --˚=half starved, famished.