[f. fīli-us, fīlia son, daughter + -CIDE: see -CIDE 1.] One who kills a son or daughter; a slayer of his own child.

1

1823.  Douglas, or Field of Otterburn, III. xx. 267. I sped silently away, fearful of being discovered by the intended filicide.

2

1848.  Lowell, Fable for Critics, Poet. Wks. (Moxon), 365.

        I told how it [the aloe] bloomed, and discharging its pistil
With an aim the Eumenides dictated, shot
The botanical filicide dead on the spot.

3