| ORN | in an ornate manner |
|---|---|
| ORN | an ornate appearance |
| ORN | mean-spirited disagreeable contrariness |
| ORN | having a difficult and contrary disposition |
| ORN | an amino acid that does not occur in proteins but is important in the formation of urea |
| ORN | extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans) |
| ORN | herbivorous dinosaur with a pelvis like that of a bird |
| ORN | herbivorous dinosaur with a pelvis like that of a bird |
| ORN | sometimes placed in family Hyacinthaceae |
| ORN | Old World star of Bethlehem having edible young shoots |
| ORN | South African perennial with long-lasting spikes of white blossoms that are shipped in to Europe and America for use as winter cut flowers |
| ORN | common Old World herb having grasslike leaves and clusters of star-shaped white flowers with green stripes |