Definition of vexillology in English:

vexillology

noun

  • The study of flags.

    • ‘It is the Internet's largest site devoted to vexillology (the study of flags).’
    • ‘See how you fare with this quiz on vexillology (the study of flags and flag-related matters).’
    • ‘For those interested in vexillology, there is an interesting website dealing with this topic for the former South Vietnam here’
    • ‘It is a nonprofit organization dedicated to the promotion of vexillology, the scientific and scholarly study of flag history and symbolism. pop’
    • ‘Jack also enjoys vexillology and can signal Bible passages from memory in fluent semaphore.’
    • ‘I learned most of what I know about vexillology from Whitney, who is a good personal friend and mentor.’

Origin

1950s: from Latin vexillum flag + -logy.

Pronunciation:

vexillology

/ˌveksəˈläləjē/