n. 三十日追思弥撒

[ noun ]
a drug (trade name Trental) used to treat claudication; believed to increase the flexibility of red blood cells so they can flow through the blood vessels to the legs and feet
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Trental \Tren"tal\, n. [LL. trentale, fr. L. triginta thirty;
akin to tres three: cf. OF. trentel. See {Three}, and cf.
{Trigintal}.]
1. (R. C. Ch.) An office and mass for the dead on the
thirtieth day after death or burial. ``Their trentals and
their shrifts.'' --Spenser.

2. Hence, a dirge; an elegy.