1. a person or animal that becomes fat or gains weight, especially through feeding or fattening
Usage: often used in farming or livestock contexts
2. a thin strip of wood or metal used to fasten or reinforce something
Usage: also called a batten; used in construction and carpentry

Examples

• The farmer selected the best battener from the herd for market.
• Young cattle are often called batteners when they are being fattened for sale.
• The carpenter used a wooden battener to hold the panels in place.
• Metal batteners were installed to reinforce the roof structure.
• The battener gained weight steadily over the feeding season.