What is the meaning of Rar?

ISO 639-2 & ISO 639-3 language code for Cook Islands Māori.

Alternative letter-case form of RAR

sparse, thin

scarce, few

rare, unusual, uncommon

rare (very uncommon; scarce)

strange, odd

rare (of a gas: thin)

pleasant

kind

nice

scarce; seldom found and therefore in demand

rare, infrequent (in general)

rare

to be nothing special, to be good for nothing

rarely

strange

strange

sparse, thin

scarce, few

rare, unusual, uncommon

sparsely, thinly

seldom, rarely, infrequently

slowly

sweet (agreeable in a tender, charming way)

rare

different

way

Source: wiktionary.org