[ 'plɛθ(ə)rə ]
■ noun
1》 ( a ~ of ) an excess of.
2》 Medicine an excess of a bodily fluid, particularly blood.
Derivatives
plethoric 'plɛθ(ə)rɪk , plɪ'θɒrɪk adjective ( archaic or Medicine ).
Origin
C16: via late L. from Gk plēthōrē , from plēthein 'be full'.