engineer

mastery
UK /ˌɛn(d)ʒɪˈnɪə/ US /ˌɛnd͡ʒɪˈnɪ(ə)ɹ/nounverb

card 1 of 10 · context meaning

Which meaning of 'engineer' best matches the usage in the sentence?

In the 17th century, an engineer was often responsible for digging tunnels under enemy fortifications.