Obs. Also -ilian. [A variant or doublet of CASTELLAN: cf. next; also med.L. ‘castellanus, castelli incola’ (Du Cange).] One living in or belonging to a castle; one of the garrison of a castle. Applied e.g. to those who held the Castle of St. Andrews in 1547, and frequent during the civil war of the 17th c.

1

1570–87.  Holinshed, Scot. Chron. (1806), II. 389. In which action also the adverse part forgot not to requite the castillians.

2

1828–41.  Tytler, Hist. Scot. (1864), III. 51/2. The Castilians sent an envoy to Henry the Eighth … declaring that their only object was to gain time to revictual the castle.

3

1649.  Jrnl. Siege of Pontefract Cast., 106. We were upon treaty with the castillians.

4

c. 1665.  Mrs. Hutchinson, Mem. (1838), 79/1. Now the name of cavalier was no more remembered, Castilian being the term of reproach with which they branded all the governor’s friends.

5