abies lowiana
- n medium to tall fir of central to western United States having a narrow erect crown and soft wood
ablution
- n the ritual washing of a priest's hands or of sacred vessels
abies venusta
- n a pyramidal fir of southwestern California having spiny pointed leaves and cone scales with long spines
aberration
- n a state or condition markedly different from the norm
- n a disorder in one's mental state
- n an optical phenomenon resulting from the failure of a lens or mirror to produce a good image