سر

مَسَرَّةٌ ذ an inf. n. of سَرَّهُ [q. v.] (S, O, K.) ― -b2- [And A cause of سُرُور, i. e. happiness, or joy, or gladness; ] a thing whereby one is made happy, or joyful, or glad: pl. مَسَارُّ. (Msb.) ― -b3- See also سَرَّاآءُ. ― -b4- Also, [perhaps as being a cause of pleasure,] The extremities of sweet-smelling plants; (M, O, K;) and so ↓ سُرُورٌ: (O, K:) or the latter, the upper halves of the stems of plants; (Lth, M, O; [but see سُرُورٌ;]) properly, the parts of a lotus-plant that are concealed [ by the water ] and are consequently succulent and soft and beautiful: and ↓ سَرِيرٌ, the root, or lower part, of a lotusplant, whereon it rests: (O:) or this last, the pith of the lotus-plant; (M, K;) and so ↓ سِرَارٌ: (TA:) [accord. to Az,] اِبْنُ المَسَرَّةِ signifies the branch [or sprig ] of رَيْحَان [or of a sweetsmelling plant ]. (T in art بنى.)