رضب1 رَضَبَ رِيقَهَا, (A, K,) aor. ـُ (A, TA,) inf. n. رَضْبٌ, (TA,) He sucked in, or gently sucked or drew in with his lips, her (a girl's, or young woman's, TA) saliva; (A, K, TA;) as also ↓ ترضّبِها, (A,) or رِيقَهَا ↓ ترضّب. (K.) b2:  and رَضَبَ المَطَرُ The rain poured vehemently, or abundantly and extensively; (K, TA;) as also ↓ ارضب, inf. n. إِرْضَابٌ. (TA.) And رَضَبَتِ السَّمَآءُ The sky poured incessantly with rain in large drops. (AA, TA.) b3:  رَضُبٌ is also used as a verb, [meaning an inf n. of رَضَبَ signifying It (dew) fell, or formed, in distinct particles upon the trees,] from رُضَابٌ applied to dew. (TA.) A2: رَضَبَتِ الشَّاةُ i. q. رَبَضَت, [q. v., app. formed from the latter by transposition,] (K,) but seldom used. (TA.) 4 أَرْضَبَ see the preceding paragraph.5 تَرَضَّبَ see 1, in two places.رَضَبَةٌ: see رَاضَبٌ.رُضَابٌ Saliva; syn. رِيقٌ: (S:) or saliva (ريق) that is sucked in, or gently sucked or drawn in with the lips; (L, K;) as when a man kisses a girl: (L:) or what one so sucks or draws in, of his own saliva: (L:) or what forms into little bubbles, of saliva, and spreads, or becomes scattered, or sprinkled; what flows being termed بُزَاق: (TA:) or particles of saliva in the mouth: (K:) or, as some say, the separation of saliva into distinct particles, and abundance of the water of the teeth: but of each of the last two explanations, AM [or, I believe, ISd] says, "I know  not how this is." (TA.) b2:  Sweet water. (TA.) b3:  Froth of honey. (K, TA.) b4:  Particles of dew upon trees. (K) b5:  Particles of snow, of hail, and of sugar. (K.) b6:  Particles of musk: (K:) or so رُضَابُ مِسْكٍ. (TA.) رَاضِبٌ Vehement, or abundant and extensive, rain: (S, K:) or rain pouring incessantly, in large drops. (AA, TA.) A2:  Also A species of the [lote-tree called] سِدْر: (S, K:) one of which is called رَاضِبَةٌ, [with respect to which it is a coll. gen. n.,] and ↓ رَضَبَةٌ, (K,) with respect to which latter, if this be correct, it is a quasi-pl. n. (TA.) مَرَاضِبُ [in the TK مَرَاضِيبُ] Sweet salivæ. (K, TA.)