Definitions
1.AdjectiveYounger; junior. .mw-parser-output .defdate{font-size:smaller}
2.AdjectiveInsignificant, petty; ineffectual.
3.AdjectiveInferior in rank, as designation of any justice, judge etc. other than the most senior."the puisne barons of the Court of Exchequer"
4.AdjectiveComing later in time; subsequent, secondary.
5.NounA person of puisne rank.