carrier
A. -noun
1. (commerce)
(=person) transportista masculine and feminine
(=company) empresa (f) de transportes
2. (=airline)   aerotransportista (m), aerolínea (f)
3. (medicine)
a. [of disease] portador (m) / portadoa (f)
4. also aircraft carrier portaaviones masculine invariable also troop carrier (aeronautics) aviónoun (m) de transporte de tropas (nautical)
(=troopship) barco (m) de transporte de tropas
5. (=basket etcetera) portaequipajes masculine invariable (on cycle) cesta (f)
6. (British, Great Britain) also carrier bag bolsa (f) (de papel or pluralástico)
B. -compound
·carrier bag -noun bolsa (f) (de papel or pluralástico)
·carrier pigeon -noun paloma (f) mensajera