gla·ci·ate 
(glāshē-āt′, -sē-)
(glāshē-āt′, -sē-)tr.v. gla·ci·at·ed, gla·ci·at·ing, gla·ci·ates
1.
a. To cover with ice or a glacier.
b. To subject to or affect by glacial action.
2. To freeze.
[Latin glaciāre, glaciāt-, to freeze, from glaciēs, ice; see gel- in the Appendix of Indo-European roots.]
gla′ci·ation n.