- used or grown for ornament: ornamental plants.
- providing ornament; decorative.
- of or relating to ornament.
- something ornamental; decoration; adornment.
- a plant cultivated for decorative purposes.
- of value as an ornament; decorative
- (of a plant) used to decorate houses, gardens, etc
- a plant cultivated for show or decoration
adj.1640s, partly formed in English from ornament (n.) + -al (1); partly from Latin ornamentalis, from ornamentum.