Numbers 10:2 Make you two trumpets of silver; of a whole piece shall you make them: that you may use them for the calling of the assembly, and for the journeying of the camps. Nave's Topical Index—AKJV
Strong's Hebrew
3104. yobel -- a ram, ram's horn (a wind instrument) ... Or yobel {yob-ale'}; apparently from yabal; the blast of a horn (from its continuous sound); specifically, the signal of the silver trumpets; hence, the ... /hebrew/3104.htm - 6k