Definition of Scillonian in English:
 Scillonian
adjective sɪˈləʊnɪənsəˈloʊniən
Relating to or characteristic of the Scilly Isles, a group of about 140 small islands off the south-western tip of England, or their inhabitants.
 the seasonal Scillonian ferry
noun sɪˈləʊnɪənsəˈloʊniən
A native or inhabitant of the Scilly Isles, a group of about 140 small islands off the south-western tip of England.
 one of the Scillonians returned as a young man
  Definition of Scillonian in US English:
 Scillonian
adjectivesəˈlōnēənsəˈloʊniən
Relating to or characteristic of the Scilly Isles, a group of about 140 small islands off the southwestern tip of England, or their inhabitants.
 the seasonal Scillonian ferry
nounsəˈlōnēənsəˈloʊniən
A native or inhabitant of the Scilly Isles, a group of about 140 small islands off the southwestern tip of England.
 one of the Scillonians returned as a young man