Sibship is a term used in epidemiology and public health to refer to the group or number of children produced by a pair of parents. Thus, siblings constitute a sibship. ...
1. The reciprocal state between individuals who have the same pair of parents. ... 2. All progeny of one pair of parents. ... Origin: A.S. Sib, relationship ... (05 Mar 2000) ... 
(sib´ship) a group of persons all descended from a common ancestor. a group of siblings.
Type: Term Pronunciation: sib′ship Definitions: 1. The reciprocal state between individuals who have the same pair of parents. 2. All progeny of one pair of parents.
Sibship: The total number of children born to a set of parents. Siblings belong to a sibship.