Malayan pit viper

noun

Ma·​lay·​an pit viper mə-ˈlā-ən-, mā-, ˈmā-ˌlā- 

: a venomous pit viper (Calloselasma rhodostomarhodostoma synonym Agkistrodon rhodostoma) native to southeastern Asia that is light brown to reddish-brown above with triangular dark-brown markings

An international stroke study recently began on ancrod, a drug derived from the venom of the Malayan pit viper.

—Susan Duerksen, The San Diego Union-Tribune