By reduplication from chatsar; a trumpet (from its sundered or quavering note) -- trumpet(-er).
see HEBREW chatsar
H2689. chatsotsrah
חֲצֹצְרָה noun feminine clarion (Late Hebrew חֲצוֺצֶרֶת, Aramaic חֲצוֺצַרְתָּצ) — mostly P and late; — absolute ׳ח Hosea 5:8; plural absolute חֲצֹצְרוֺת Numbers 10:8 22t.; חֲצֹצְרֹת 10:9-10, construct id. 31:6; 2 Chronicles 13:12; חֲצוֺצְרֹת Numbers 10:2; clarion:
1 as secular instr. Hosea 5:8 ("" שׁוֺפָר) 2 Kings 11:14 (twice in verse) = 2 Chronicles 23:13 (twice in verse).
2 as sacred instr. 2 Kings 12:14, especially for use by priests (only P, Psalm 98 and Chronicles).
a. בח ׳תקע (of blowing a single long blast) Numbers 10:3-4, 7, 8, to gather congregation or ׳נשׂיא together, and, on festivals, over sacrifice, 'to be remembered before ׳י,' 10:10.
b. בח תרועה ׳תקע, or בח ׳הריע (of sounding alarm, — a series of quick blasts) for camps to move Numbers 10:5-6, also in battle, 10:9, 'to be remembered before ׳י;' so 31:6; 2 Chronicles 13:12 (compare 13:14), both ׳ח התרועה.
c. especially in Chr's descriptions of ceremonies at festivals, to express rejoicing: 1 Chronicles 13:8; 15:28 ("" שׁוֺפָר קוֺל), 16:6, 42; 2 Chronicles 15:14 ("" שׁוֺפָר), 20:28; 29:26-27, Ezra 3:10; Nehemiah 12:35, 41; Psalm 98:6 ("" שׁוֺפָר קוֺל); בח קוֺל ׳הָרִים2 Chronicles 5:13; בח ׳מחצצרים 1 Chronicles 15:24; 2 Chronicles 5:12-13, 13:14; in 29:28 this participle agrees with noun in sense, and is masculine; and the clarions (= players on the clarions) sounded. — The חֲצֹצְרָה, or (sacred) clarion, was a long, straight, slender metal tube, with flaring end, see BenzArchäol. 277; distinguished thus from the שׁוֺפָר which was originally a ram's horn, and probably always retained the horn-shape; the שׁוֺפָר is mentioned constantly in the earlier literature, and was used by watchmen, warriors, etc., as well as priests (see Benzib. 276 and שׁוֺפָר).