From borra +‎ -all.

• IPA^(key): (Central) [buˈraʎ]
• IPA^(key): (Balearic, Valencia) [boˈraʎ]

• Audio (Barcelona):

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borrall m (plural borralls)

1. tuft, wisp

   Synonym: borralló

2. (figurative) bit, scrap, whit

   Synonym: mica

• borralló
• borrallut

• “borrall”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007