קוֹמְפְּרוֹמִיסִין m. pl. (pl. of compromissum) 1) agreement between parties to submit to arbitration. Y. M. Kat. III, 82ᵃ bot., expl. שטרי בירורין, v. בֵּירוּר. —2) (v. Harper’s Lat. Dict. s. v. Compromitto) reciprocal promises. Lev. R. s. 6 קופרמסאות נתנו וכ׳ (read: קוֹמְפְּרוֹמִיסָאוֹת) they made promises to each other, that he would never disown them, nor they him.