batten

1. To become better; to improve in condition; especially of animals, by feeding; to fatten up. (intransitive)
2. Of land, soil, etc.: to become fertile; also, of plants: to grow lush. (intransitive)
3. Followed by on: to eat greedily; to glut. (intransitive)
4. Followed by on: to prosper or thrive, especially at the expense of others. (figuratively, intransitive) · Robber barons who battened on the poor
5. To gloat at; to revel in. (figuratively, intransitive)
6. To gratify a morbid appetite or craving. (figuratively, intransitive)

الجمع batten · He/she/it battens · الماضي battened · التصريف الثالث (اسم المفعول) battened · صيغة -ing battening