sib·ling 
/ˈsɪblɪŋ/ noun
plural sib·lings /ˈsɪblɪŋ/ noun [count] formal : a brother or sister
▪ Do you have any siblings? [=brothers or sisters] ▪ younger/older siblings ▪ sibling relationships ▪ There was barely any sibling rivalry [=competition between brothers and sisters] in our family.
▪ Do you have any siblings? [=brothers or sisters] ▪ younger/older siblings ▪ sibling relationships ▪ There was barely any sibling rivalry [=competition between brothers and sisters] in our family.
