betta

Any fish of the genus Betta, especially Betta splendens (the Siamese fighting fish).

Rather than simply waiting for a clockwise turn and then presenting the mirror, past experience with another betta suggested that the turning behavior could be established more rapidly using a shaping procedure.

"Do you know that Siamese fighting fish—bettas—excrete ammonia in their waste, and that ammonia is toxic to fish? Twenty-four hours flapping their little gills in the same, unfiltered water, and they're history.[…]"

Pronunciation spelling of better, comparative of good.

'I think no savvy. This one mo' betta,' he added, pointing to the house where the drunken captain slumbered: 'Take-a-sun all-e-time.'

I pray dat dey he'p us liv' a betta lif ' den dey had.

Pronunciation spelling of better, comparative of well.

“Now she be lookin' betta,” one of the women said. “Like she has a chance to make it.”

Now you even know the dope game betta than me, look how much money you save fo me when I went to jail.

Pronunciation spelling of better (“had better”).

“Boy, if I done told you once, I done told you a thousand times, you betta leave them white girls alone before one of their boyfriends or husbands roll up on you, and put a hurtin on yo lil behind.”

You betta praise the Lord that's all I can say.