נַחְתּוֹם, (חָתַם; cmp. טָפוּס) baker of bread in moulds, professional baker. Tosef. Ḥall. I, 7 נ׳ אחד מארבעים וכ׳ the professional baker has to give one forty-eighth portion of his dough to the priest, opp. בעל הבית a private baker; Y. ib. II, end, 58ᵈ. Ḥall. II, 7 נ׳ שהוא עושה למכור בשוק the baker that makes bread for sale in the market. Y. Dem. V, 24ᵈ top נ׳ עושה טפוס אחד וכ׳ each baker makes his own peculiar form of bread, while the dealer (פלטר) deals with many bakers; ib. נ׳ עושה כמה טפוסין וכ׳ a baker makes several forms, while the dealer deals with one baker; a. fr.—ר׳ יהודה הנ׳ R. Judah, the baker, prob. identical with R. Judah ben Baba. Y. Ḥag. II, 77ᵇ bot. Tosef. Ohol. XVIII, 13; a. e.—Pl. נַחְתּוּמִים, נַחְתּוּמִין. Y. Ḥall. l. c. Kel. XV, 2, v. אֲרוּכָה I; a. fr.