Definition of "sirrah"

Kemp. Yea marry, let them come before mee, what is your name, friend? / Bor. Borachio. / Kem. Pray write downe Borachio. Yours ſirra. / Con. I am a Gentleman ſir, and my name is Conrade.

1598–1599 (first performance), William Shakespeare, “Much Adoe about Nothing”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene ii], page 116, column 2

VVhat ſay you to a leg of Beef novv, ſirha?

c. 1613 (first performance), John Fletcher, “The Tragedie of Bonduca”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, Act II, scene iii, page 54, column 1