a. and adv.

1

  A.  adj. 1. Like a castle. 2. Of or pertaining to a castle, castellar.

2

1611.  Cotgr., Chastelain, the Lord … of a territorie, vnto which Castle-like Jurisdiction and Royalties belong.

3

  B.  adv. After the manner of a castle.

4

1610.  Holland, Camden’s Brit., I. 769. A stately house built Castlelike.

5