An archaic or dialectal term for a snarl or growl; a variant or related form of 'gnarl.'
Possibly from Old Norse or Germanic roots related to growling or snarling sounds; dialectal British English. The word may be related to 'gnarl' or represent a regional pronunciation variant.
'Garle' is so archaic that it barely appears in modern dictionaries, but it's exactly the kind of old word that survives in isolated regional dialects in Britain where people have been using similar words for centuries.
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