Silicide \Sil"i*cide\, n. (Chem.) A binary compound of silicon, or one regarded as binary. [R.]

Hydrogen silicide (Chem.), a colorless, spontaneously inflammable gas, SiH4, produced artifically from silicon, and analogous to methane; -- called also silico-methane, silicon hydride, and formerly siliciureted hydrogen.

Source: Webster's Revised Unabridged Dictionary (1913)