| ARA | North American rock cress having very long curved pods |
|---|---|
| ARA | or genus Arabis: erect cress widely distributed throughout Europe |
| ARA | European cress having stiff erect stems |
| ARA | a scholar who specializes in Arab languages and culture |
| ARA | (of farmland) capable of being farmed productively |
| ARA | anthurium |
| ARA | (botany) relating to a plant of the family Araceae |
| ARA | a genus of plants with pods that ripen underground (see peanut) |
| ARA | widely cultivated American plant cultivated in tropical and warm regions |
| ARA | air-breathing arthropods characterized by simple eyes and four pairs of legs |
| ARA | a large class of arthropods including spiders and ticks and scorpions and daddy longlegs |
| ARA | (zoology) relating to or resembling a member of the class Arachnida |