What does the french word 'Le' mean?

Le means 'the'

However, le is only used for MASCULINE words. eg.

le garcon (m)= the boy
le Canada (m)= Canada

la also means the except used for FEMININE words. eg.

la fille (f)= the girl
la Swiss (f)= Switzerland

les means the except used for PLURAL words. eg.

les filles (f)= the girls
les garcons (m)= the boy