Definition of Waterlandian in US English:

Waterlandian

adjective

  • Of, relating to, or characteristic of the Waterlandians. Now historical.

Origin

Mid 18th century (in an earlier sense). From the name of Waterland + -ian, in early use partly after post-classical Latin Waterlandi, plural.

Pronunciation

Waterlandian

/ˈwɔːtəlandɪən/