Þaccian

According to the Old English Dictionary:

þaccian

p. ode. I. to pat, clap, strike gently, with the open hand or the like :-- Wildu hors, ðonne wé hié ǽresð gefangnu habbaþ, wé hié ðacciaþ and stráciaþ mid brádre handa equos indomitos blanda prius manu tangimus, Past. 41; Swt. 303, 10. Ðaccige hé hine selfne mid ðǽm fiðrum his geðóhta cogitationum alis semetipsos feriant, 64; Swt. 461, 17. Ǽlc ðara manna ðe óðerne swíðe lufaþ, hine lyst bet þaccian and cyssan ðone óðerne on bær líc, ðonne ðér ðǽr cláðas beotweóna beóþ, Shrn. 185, 31. [This carter thakketh his hors uppon the croupe, Chauc. C. T. 7141. Nicholas had ... thacked hire about the lendes wel, 3304.] II. to clap, put one thing to another :-- Nim ða wyrta and wyrce tógadere ... þacc yt þanne gelómelíce betwex ðan scaldrun take the herbs and work together ... clap the mixture often between the shoulders, Lchdm. iii. 118, 14. þaccian