From Longman Dictionary of Contemporary Englishiceboundice‧bound /ˈaɪsbaʊnd/ adjective MOVE/CHANGE POSITIONWEATHERsurrounded by ice, especially so that it is impossible to move
Examples from the Corpus
icebound• Eight of the ships remain icebound.• He is sitting on the branch of an icebound bush outside the office window. 