"Gaunce" is not a common word and it might be unfamiliar to most people. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) transcription. The correct spelling is "gaunch" which is pronounced as /ɡɔːntʃ/. This word means to snatch, pull or grab something suddenly. It is a verb that is mostly used in British English. While it is not a commonly used word, knowing its correct spelling and pronunciation can be helpful for those who come across it in their reading or writing.