| Subject | English | Russian |
| fig.of.sp. | born on third base | родиться в рубашке (term coined by the great Barry Switzer to describe someone who was born with a silver spoon in their mouth but has an arrogance and thinks their standing in life is because of their own doing. • I know the type. Born on third base, thinks he got a triple Сова) |
| fig.of.sp. | born on third base | родиться под счастливой звездой (term coined by the great Barry Switzer to describe someone who was born with a silver spoon in their mouth but has an arrogance and thinks their standing in life is because of their own doing. • I know the type. Born on third base, thinks he got a triple Сова) |
| tech. | reaction R cuts base within middle third | реакция R пересекает подошву фундамента в пределах средней трети её ширины |
| Makarov. | the third base | третья база |
| inf. | third base | минет (chronik) |
| inf. | third base | куннилингус (chronik) |
| inf. | third base | петтинг (chronik) |
| slang | third base | третья сторона (в сделке Yuriy83) |
| vulg. | third base | влагалище (см. second base) |
| gen. | third base | третья база |
| progr. | third party data base | сторонняя база данных (ssn) |