"plantain" in the noun sense
1. plantain
any of numerous plants of the genus Plantago mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers seeds of some used medicinally
2. plantain, plantain tree, Musa paradisiaca
a banana tree bearing hanging clusters of edible angular greenish starchy fruits tropics and subtropics
3. plantain
starchy banana-like fruit eaten (always cooked) as a staple vegetable throughout the tropics
Source: WordNet® (An amazing lexical database of English)
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