قيح1 قَاحَ, said of a wound, (S, A, Msb, K, &c.,) aor. ـِ (S, Msb,) inf. n. قَيْحٌ; (Msb, K;) like  قَاحَ, aor. ـُ (K;) and ↓ قيّح, (S, A, Msb, K,) inf. n. تَقْيِيحٌ; (A;) and ↓ اقاح; (A, Msb, K;) and ↓ تقيّح; (S, A, Msb, K;) and تقّوح; (Msb, K;) [It suppurated;] it became in the state of containing [or generating] matter, such as is termed قَيْح [meaning as expl. below]: (S, * A, * K in art. قوعح, and Msb in explanation of قَيَّحَ:) or its قَيْح ran, or flowed: or became in a state of readiness [to do so]. (Msb in explanation of قَاحَ and اقاح and تقوّح.) 2 قَيَّحَand 4 and 5: see the preceding paragraph.قَيْحٌ Thick purulent matter (مِدَّةٌ) unmixed with blood; (S, A, L, K;) white, thick [matter], unmixed with blood: (Msb:) or, as some say, [contr. to the generality of the lexicographers,] thin matter (صَدِيد) like water, in which is a شُكْلَة [ or small admixture, or tinge of the red and white hue,] of blood. (L.) قَاحَةٌ, mentioned in this art. in the S, see in art. قوح.