1) Holothuria edulis 2) Holothurian 3) Sea cucumber 
• (n.) Any one of several species of large holothurians, some of which are dried and extensively used as food in China; -- called also beche de mer, sea cucumber, and sea slug.
<zoology> Any one of several species of large holothurians, some of which are dried and extensively used as food in China; called also beche de mer, sea cucumber, and sea slug. ... Alternative forms: tripang. ... The edible trepangs are mostly large species of Holothuria, especially H. Edulis. They are taken in vast quantities in the East Ind...
USS Trepang was an American Balao Class submarine of 1525 tons displacement launched in 1944. USS Trepang was powered by diesel engines providing a top speed of 21 knots, carried a complement of 75 and was armed with one 4-inch gun, two 20 mm Oerlikon anti-aircraft guns; six 21 inch bow torpedo tubes and four 21 inch stern torpedo tubes.
from teripang/trepang
[n] - of warm coasts from Australia to Asia
Holothuria edulis noun of warm coasts from Australia to Asia; used as food especially by Chinese