1.
[syn: aneurysm, aneurism]
The Collaborative International Dictionary of English v.0.48:
aneurism \an"eu*rism\, aneurysm
\an"eu*rysm\([a^]n"[-u]*r[i^]z'm), n. [Gr. 'aney`rysma,
'aneyrysmo`s, a widening, an opening; 'ana` up + e'yry`s
wide.] (Med.)
A soft, usually pulsating, sac, containing blood or blood
clot, arising from the abnormal dilation of the walls of an
artery, vein or heart. The more common spelling is aneurysm.
[1913 Webster + AS] Aneurysmal
WordNet (r) 3.0 (2006):
aneurism
n 1: a cardiovascular disease characterized by a saclike
widening of an artery resulting from weakening of the
artery wall [syn: aneurysm, aneurism]