Dictionary
5 ENTRIES FOUND:

1sib

adjective \ˈsib\

Definition of SIB

:  related by blood :  akin

Origin of SIB

Middle English, from Old English sibb, from sibb kinship; akin to Old High German sippa kinship, family, Latin sodalis comrade, Greek ēthos custom, character, Latin suus one's own — more at suicide
First Known Use: before 12th century

Rhymes with SIB

2sib

noun

Definition of SIB

1
a :  kindred, relatives
b :  a blood relation :  kinsman
2
:  a brother or sister considered irrespective of sex; broadly :  any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs
3
:  a group of persons unilaterally descended from a real or supposed ancestor

First Known Use of SIB

before 12th century

sib

noun \ˈsib\   (Medical Dictionary)

Medical Definition of SIB

:  a brother or sister considered irrespective of sex; broadly :  any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs

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