1. Plural of betta; small, colorful freshwater fish native to Southeast Asia, popular in home aquariums.
Usage: Often kept as pets; males are highly aggressive toward each other

Examples

• She has three bettas in separate tanks in her bedroom.
• Bettas are known for their vibrant colors and flowing fins.
• Male bettas cannot be housed together or they will fight.
• The pet store sells bettas in many different color varieties.
• Bettas require warm water and regular feeding to stay healthy.