### Clue: Crop both sides and finally ease into alcove (6)
### Answer: BARLEY 
 ### Explanation: Definition: Crop
 [ R,L(abbrev. for "right" and "left" sides, respectively) **plus**(and) **last letter of**(finally) "ease" ] **contained in**(into) BAY(an alcove/area created by a projecting a wall outward, hence "a bay window").