Edible tuber (3)
'edible tuber' is the definition.
(yam is a type of tuber)
This is all the clue.
(Other definitions for yam that I've seen before include "Tropical root vegetable" , "Tropical tuber" , "Tropical climber" , "US sweet-potato" , "May be a sweet spud" .)
'edible tuber' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for potato that I've seen before include "hard to handle when hot" , "Starchy tuber" , "It's often baked" , "Inert person" , "Spud (6)" .)
(Other definitions for spud that I've seen before include "The common potato" , "Commoner's King Edward?" , "The popular potato" , "King Edward, e.g." , "One could be in jacket" .)
'edible tuber' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sweet potato that I've seen before include "Edible tuber" , "Yam-like vegetable" , "Slightly sugary root vegetable" , "South American vegetable" , "Vegetable akin to yam" .)