| barrena | bore |
| barrena de mano | gimlet |
| barrenar | drill |
| barrendero | sweeper |
| barrer | brush |
| barrera | barrier |
| barrera de cruce | railroad barrier |
| Barrera de Hielo Larsen | Larsen Ice Shelf |
| Barrera de Maeslant | Maeslantkering |
| barrera de peaje | tollgate |
| barrera de tren | railroad barrier |
| barrera del sonido | sound barrier |
| Barrera hadrónica | Hadron barrier |
| Barrera israelí de Cisjordania | Israeli West Bank barrier |
| barreras acústicas | noise barrier |
| Barreras de entrada | Barriers to entry |
| Barretina | Barretina |
| barriada | slum |
| barriada bruja | slum |
| barriada de emergencia | slum |
| barriada pobre | shantytown |
| Barrial | Mudhole |
| barrica | barrel |
| barricada | barricade |
| barrido | sweep |
| barriga | abdomen |
| barriga de cerveza | beer belly |
| barriguita | tummy |
| barrigón | paunchy |
| barril | barrel |
| barril de cerveza | beer barrel |
| barril de vino | wine barrel |
| barrilero | cooper |
| barrilería | cooperage |
| barrilete | keg |
| Barrilito | Barrel |
| barrio | slum |
| Barrio Alto de Lisboa | Bairro Alto |
| barrio bajo | slum |
| barrio chino | Chinatown |
| barrio de chabolas | slum |
| Barrio de la Alfama de Lisboa | Alfama |
| Barrio de la Ribera | La Ribera |
| barrio de mala fama | red-light district |
| Barrio Fino | Barrio Fino |
| Barrio gay | Gay village |
| Barrio Gótico de Barcelona | Barri Gòtic |
| Barrio Latino de París | Latin Quarter |
| barrio marginal | slum |
| barrio periférico | slum |
| barrio pobre | slum |
| barrio residencial | residential area |
| Barrio rojo de Ámsterdam | De Wallen |
| Barrio Sésamo | Sesame Street |
| Barrios de la Ciudad de Buenos Aires | Neighbourhoods and Communes of Buenos Aires |
| Barrios de Los Ángeles | List of districts and neighborhoods of Los Angeles |
| barrios lejanos | boondock |
| Barrister | Barrister |
| barrita astringente | styptic pencil |
| barritar | trumpet |
| barro | clay |
| barro activo | digested sludge |
| Barro Colorado | Barro Colorado Island |
| barro deshidratado | dehydrated sludge |
| barro industrial | industrial sludge |
| barro residual de residuos | residual waste sludge |
| barroca | Baroque |
| barroco | baroque |
| Barroco inglés | English Baroque |
| Barroco siciliano | Sicilian Baroque |
| Barron | Barron River |
| barroso | loamy |
