fullsib
nounEtymology From full + sib.
1
A full sibling.
- For example, fullsibs, considered as a genealogical category, are symmetrically related to ego. However, “fullsibs,” considered as an innate category, are ego's matrikin because of the possibility of undetected cuckoldry.2012, In the Light of Evolution: Volume V: Cooperation and Conflict, National Academy of Sciences: