- ovicidal (1)
- "That kills sheep; of or relating to the killing of sheep", Mid 19th cent.; earliest use found in James Stephen. From ovi- + -cidal, after ovicide.
- ovicidal (2)
- "Of, relating to, or effective in the killing or destroying of eggs or ova, especially those of insects, mites, or other pests or parasites", Mid 19th cent. From ovi- + -cidal. Compare later ovicide.