חַרְדָּל, (חד, with ר inserted; cmp. גַּד I) mustard. Kil. I, 2 ח׳ וח׳ המצרי common mustard and Egyptian mustard. Ber. 40ᵃ הרגיל בח׳ וכ׳ he who is used to take mustard once in &c. Ib. 31ᵃ, a. e. כח׳ as large as a grain of mustard; a. fr.—Pl. חַרְדְּלִים, חַרְדְּלִין. Cant. R. to VI, 11 כמה ח׳ ever so many grains of &c. B. Bath. 25ᵇ הרחק דבורך מן חַרְדְּלַיי keep thy bee-hive from my mustard plants; ib. 18ᵃ חַרְדְּלַאי (Ms. F. a. R. חרדלַי).