We found one dictionary that defines the word first-line managers:

General (1 matching dictionary)

1. first-line managers: Wiktionary

▸ Words similar to first-line managers ▸ Usage examples for first-line managers ▸ Idioms related to first-line managers ▸ Wikipedia articles (New!) ▸ Words that often appear near first-line managers ▸ Rhymes of first-line managers ▸ Invented words related to first-line managers