Definition of "meddle"
meddle
verb
third-person singular simple present meddles, present participle meddling, simple past and past participle meddled
(obsolete) To interest or engage oneself; to have to do (with), in a good sense.
Quotations
The Pythagoreans who, as Ariſtotle ſays, were the firſt among the Greeks, that meddled with Mathematics, divided them into four Parts, of which, two were Pure and Primary, namely Arithmetic and Geometry; and the other two Mixed and Secondary, as Muſic and Spheres, i. e. Aſtronomy.
1734, Isaac Barrow, “Lecture II. Of the Particular Division of the Mathematical Sciences”, in John Kirkby, transl., The Usefulness of Mathematical Learning Explained and Demonstrated: Being Mathematical Lectures Read in the Publick Schools at the University of Cambridge. […], London: […] Stephen Austen, […], page 14
(intransitive, now US regional) To have sex.
Quotations
But after god came to Adam and bad hym knowe his wyf flesshly as nature requyred / Soo lay Adam with his wyf vnder the same tree / and anone the tree whiche was whyte and ful grene as ony grasse and alle that came oute of hit / and in the same tyme that they medled to gyders there was Abel begoten / thus was the tree longe of grene colour(please add an English translation of this quotation)
1485, Sir Thomas Malory, chapter V, in Le Morte Darthur, book XVII
Take a Rammes head that neuer medled with an Ewe, cut off at a blow, and the hornes onely taken away, boyle it well skinne and wooll together, […].
1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps, partition 2, section 5, member 1, subsection v, page 323