Definition that contains spira
- screw bean spirally twisted sweet pod of screwbean mesquite that is used for fodder or ground into meal for feed
- family nautilidae spiral-shelled cephalopods
- sinistrorse spiraling upward from right to left
- nautilidae spiral-shelled cephalopods
- sinistrorsal spiraling upward from right to left
- nyala spiral-horned South African antelope with a fringe of white hairs along back and neck
- dextrorse spiraling upward from left to right
- spirillum spirally twisted elongate rodlike bacteria usually living in stagnant water
- tragelaphus angasi spiral-horned South African antelope with a fringe of white hairs along back and neck
- dextrorsal spiraling upward from left to right