Hiligaynon Dictionary
Hiligaynon
Brother-in-law, sister-in-law. See bilás. (see bayáw).
Brother-in-law, sister-in-law. Unlike "bayáw", the term "bilás" is strictly confined to the husbands and wives (not otherwise related to each other) of two (or more) sisters or brothers respectively. (see birás, bayáw).