ضَيْف

2 Dy~f * , intrans.: see 1, first and second sentences. -A2- As trans.: see 4, last sentence, in four places. ― -b2- [Hence,] Day~afotuhu signifies also (assumed tropical:) I protected him, or defended him, from him who sought, or pursued, him: (Msb:) (tropical:) I rendered him safe, secure, or free from fear; and became at peace with him; thus used metaphorically. (TA.)

DayofN * A guest: and guests: (MA:) so called because adjoined to the family and fed with them: (Ham p. 124:) it is applied to one, and to a pl. number, (S, M, MA, O, Msb, K,) and to a male and to a female, (S, O, Msb, K,) because it is originally an inf. n.: (MA, Msb:) [as a sing.,] i. q. ↓ muDay~afN , (M,) which is syn. with naziylN : (TA:) and applied to a pl. number, it may be pl. [or rather a quasi-pl. n.] of ↓ DaAy^ifN , which is syn. with naAzilN ; thus being of the class of zawozN and SawomN : (M:) and it is also pluralized, having for its pls. A^aDoyaAfN and DiyfaAnN (S, M, MA, O, Msb, K) and DuyuwfN (S, M, MA, O, K) and DiyaAfN , (MA, TA,) the first of which is properly a pl. of pauc., but is also used as a pl. of mult.: (M:) and a female is termed DayofapN as well as DayofN : (S, M, O, Msb, K:) El-Ba'eeth says, laqFY Hamalatohu A^um~uhu wahoYa DayofapN [ A castaway with whom his mother became pregnant while she was a guest ]: (S, M, O:) or, accord. to AHeyth, the meaning here is that which follows. (O.) ― -b2- DayofapN applied to a woman signifies also Menstruating: (O, K:) so says AHeyth with reference to the citation above from El-Ba'eeth. (O.)

DiyfN * The side (T, S, M, O, K) of a valley (T, M) and of a mountain (M) [&c.: see 6]: and, as metaphorically used by an anonymous poet, of the *akar : (M:) and ↓ maDaAyifu signifies the sides of a valley. (TA.) ― -b2- And one says, fulaAnN fiY Diyfi fulaAnK , meaning Such a one is in the vicinage, or quarter, of such a one. (M.)