SENNACHY
Sen"na*chy, n.

Defn: See Seannachie.

SENNET Sen"net, n. Etym: [Properly, a sign given for the entrance or exit of actors, from OF. sinet, signet, dim. of signe. See Signet.]

Defn: A signal call on a trumpet or cornet for entrance or exit on the stage. [Obs.]

SENNET
Sen"net, n. (Zoöl.)

Defn: The barracuda.

SENNIGHT
Sen"night, n. Etym: [Contr. fr. sevennight.]

Defn: The space of seven nights and days; a week. [Written also se'nnight.] [Archaic.] Shak. Tennyson.

SENNIT
Sen"nit, n. Etym: [Seven + knit.]

1. (Naut.)