| onion | smut fungus causing blackish blisters on scales and leaves of onions |
|---|---|
| onion | a white agaric that tends to cluster and has a club-shaped base |
| onion | injurious to onion plants and sometimes tobacco |
| onion | the yellow dwarf disease of onion plants |
| onion | the virus that produces stunting and yellowing of the leaves of onion plants |
| onion | a thin strong light-weight translucent paper used especially for making carbon copies |