رقص

5 ترقّص ذ [lit., He, or it, became danced or dandled. ― -b2- And hence,] (tropical:) He, or it, became raised and lowered; or rose and sank; or went up and down. (K, TA.) You say, ترقّصوا فِى مَسِيرِهِمْ (tropical:) They went up and down in their journeying; (A;) as also ↓ ارقصوا. (A, TA.) And Er-Rá'ee uses the phrase تَرَقَّصَتِ المَفَازَةُ, meaning, (tropical:) The desert [in appearance] went up and down; the mirage, only, making it [seem] to rise and sink. (TA.)