The Collaborative International Dictionary of English v.0.48:

Chink \Chink\, v. i. [imp. & p. p. Chinked (ch[i^][ng]kt); p.
   pr. & vb. n. Chinking.]
   To crack; to open.
   [1913 Webster]

WordNet (r) 3.0 (2006):

chinked
    adj 1: having narrow opening filled [syn: chinked, stopped-
           up]