Definition
'Bittie' is simply a variant spelling of 'bitty,' meaning very small. It carries the same connotations of cuteness and endearment. 🥰 There's no real difference in meaning between 'bitty' and 'bittie.' The choice of spelling is purely stylistic. It's a less common spelling than 'bitty,' but perfectly acceptable. It evokes the same warm, fuzzy feeling of something adorably small.