رجح

أُرْجُوحَةٌ ذ (S, Msb, K, &c.) and ↓ مَرْجُوحَةٌ, both signify the same, (Msb, K, TA,) but the latter is disapproved by the author of the “ Bári'; ” (Msb, TA;) A seesaw; i. e. a piece of wood [or a plank ] the middle of which is placed upon a heap of earth or the like, then a boy sits upon one end of it and another boy upon its other end, (Msb, TA,) and it moves up and down with them: thus explained in the 'Eyn and its Abridgment, and in the Jámi' of Kz, and thus Th says on the authority of IAar: (TA:) [accord. to the CK and some MS. copies of the K, these two words signify the same as رُجَّاحَةٌ; but accord. to other copies of the K, and the TA, the meaning of this last word is different from that of the two preceding words: see also زُحْلُوقَةٌ:] the pl. of the first is أَرَاجِيحُ (Msb) [and that of the second, accord. to rule, مَرَاجِيحُ]. See 5.