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triclinic
triclinium
tricolor
tricorn
tricornered
tricot
tricotine
tricuspid
tricuspid valve
tricycle
tricyclic
tricyclic antidepressant drug
tridactyl
Trident
trident
tridental
Tridentine
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tricuspid valve
tri·cus·pid valve (plural tri·cus·pid valves)


noun 
Definition:
 
heart valve: a heart valve consisting of three flaps that prevents blood from flowing back into the right atrium when the right ventricle contracts
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