H2690 חָצַר (khaw-tsar')

KJV renderings: blow, sound, trumpeter.
Strong's definition: to trumpet, i.e. blow on that instrument
Derivation: a primitive root; properly, to surround with a stockade, and thus separate from the open country; but used only in the reduplicated form חֲצֹצֵר; or (2 Chronicles 5:12) חֲצֹרֵר; as dem. from H2689 (חֲצֹצְרָה);

From James Strong's public-domain dictionaries (H), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.