Uterine
Defined in 3 dictionaries — Black's (1910), Kinney (1893), Stimson (1881)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Born of the same mother. A uterine brother or sister is one bom of the same mother, but by a different father.
A Law Dictionary and Glossary
George C. Kinney · 1893
Born of the same mother.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
Of the same mother.