Cite this: eDIL s.v. pissire or dil.ie/34379

n a kind of balance or apparatus for estimating a small weight ? pissire .i. piss-aire .i. crand lethanchend bís oc tomus anepinginde tomais .i. comthrom vii. ngráine fhírcruithnechta . . . Oenphengind din aire in chraind sin, Corm. p. 35 - 6 ; perh. a wooden spatula or spoon for measuring the grains of wheat. piosaire `the weight of 7 wheat-corns or the third of a scruple . . . also a kind of broad-headed beam or bar for weighing', P. O'C. cf. pís.