פְּרִיחָה f. (פָּרַח) 1) flight, flying off. Y. Yoma II, 39ᶜ top בפ׳ האחרונה נתכפרו וכ׳ with the last piece blown off the altar the owner obtains forgiveness (as if it had been burnt). —2) eruption, esp. the white eruption which causes the leper to be declared clean (Lev. XIII, 12, v. פָּרַח). Neg. VIII, 4 [read:] כל פְּרִיחוֹת ראשי איברים שבפְרִיחָתָן טהרו טמא כשחזרו וכ׳ as regards the eruptions on the main limbs, on the ground of which they declared the unclean clean, whenever they resume their natural color, he is unclean again. Ib. 5 מעכב את הפ׳ prevents the person from being declared clean on account of the white eruption. Tosef. ib. III, 9 פְּרִיחַת היחלט (not פריחה) the eruption which appears after the person has been declared definitely unclean; פריחת הסגר after he has been locked up for probation; a. fr.—Pl. פְּרִיחוֹת. Y. Meg. I, 71ᵇ. Neg. VIII, 4, v. supra; a. e.