دُفْعَةٌ

A quantity that pours forth, or out, at once, from a skin, or vessel: (Lth, K:) a quantity poured forth, or out, at once, (Msb,) [or with vehemence, being] synonym with دُفْقَةٌ. (IF, S, Msb, K, [in the CK with ع in the place of the ق,]) of rain, [i. e. a shower, fall, or storm, as meaning the quantity that falls without intermission,] (IF, S, Msb, K,) and [a gush] of blood, (IF, Msb,) &c.: (IF, S, Msb:) it is also [used as signifying the tide] of a valley, (K in article طحم,) and [the tide, or rush,] of a torrent, (S and K in that article,) and [the rush, or irruption,] of a troop of horses or horsemen, (S and K in article دلق, &c.,) and [the irruption, or invasion,] of night: (S and K in article طحم:) plural دُفَعٌ (Msb, K) and دُفَعَاتٌ and دُفُعَاتٌ and دُفْعَاتٌ. (Msb.) You say, بَقِىَفِى الإِنَاءِ دُفْعَةٌ There remained in the vessel as much as one pours out at once. (Msb.)

Also A part, or portion, that is given, of property. (S in article زعب.)