Entry 2 senses · 2 variants Webster, 1913 Sennet /sĕn'-ət/ · Sen·net · IPA /ˈsɛnɪt/ n. n. 01 n. A signal call on a trumpet or cornet for entrance or exit on the stage. 1. A signal call on a trumpet or cornet for entrance or exit on the stage.[Obs.] 02 n. The barracuda. 1. The barracuda.(Zool.)