رِدْء

rido'N * A buttress, or the like, by means of which a wall is strengthened and supported. (T.) [This is the primary signification. See also rid~N , in art. rd .] ― -b2- [Or] the primary meaning is A thing by means of which one is helped, aided, or assisted; such as the difo' [or thing by which one is rendered warm, or protected from the cold wind]. (Bd in xxviii. 34; where it has the meaning next following, as is said in the T and S.) ― -b3- A helper, an aider, or an assistant. (T, S, M, Mgh, Msb, K.) You say, fulaAnN rido'N lifulaAnK Such a one is an aider and a strengthener to such a one. (T.) ― -b4- And i. q. maAd~apN [app. as meaning An accession; or a thing that is added, whatever it be, to another thing ]. (M, K.) ― -b5- And (tropical:) i. q. EidolN [i. e. A burden that balances another burden on the other side of a beast ]; (T, TA;) so called because one such rd' supports another: (TA:) and a heavy Eidol : (T, K, TA:) pl. A^arodaA='N . (T, TA.)