1. (n.)plantain a tropical plant, Musa paradisiaca, of the banana family, resembling the banana.
2. plantain its fruit, cooked and eaten as a staplefood in tropical regions.
3. (n.)plantain any of numerous plants of the genusPlantago, of the family Plantaginaceae, esp. P. major, a weed with large, spreading basal leaves and long spikes of small flowers.
Etymology: (1350–1400; ME plauntein < OF plantein < L plantāginem, acc. of plantāgō, der. of planta sole of the foot)
Definition of 'Plantain'
Princeton's WordNet
1. (noun)plantain any of numerous plants of the genus Plantago; mostly smallroadside or dooryardweeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally
2. (noun)plantain, plantain tree, Musa paradisiaca a banana tree bearing hanging clusters of edible angular greenish starchy fruits; tropics and subtropics
3. (noun)plantain starchy banana-like fruit; eaten (always cooked) as a staple vegetable throughout the tropics
Definition of 'Plantain'
Webster Dictionary
1. (noun)Plantain a treelike perennialherb (Musa paradisiaca) of tropical regions, bearing immense leaves and large clusters of the fruits called plantains. See Musa
2. (noun)Plantain the fruit of this plant. It is long and somewhat cylindrical, slightly curved, and, when ripe, soft, fleshy, and covered with a thick but tender yellowish skin. The plantain is a staple article of food in most tropical countries, especially when cooked
3. (noun)Plantain any plant of the genus Plantago, but especially the P. major, a low herb with broad spreading radical leaves, and slender spikes of minute flowers. It is a native of Europe, but now found near the abode of civilized man in nearly all parts of the world
Definitions of Plantain 
