abies lowiana
- n medium to tall fir of central to western United States having a narrow erect crown and soft wood
abdication
- n a formal resignation and renunciation of powers
- n the act of abdicating
abdicator
- n one who formally relinquishes an office or responsibility
abdomen
- n the region of the body of a vertebrate between the thorax and the pelvis
- n the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
abdominal actinomycosis
- n a serious form of actinomycosis that affects the abdomen