Denshi Jisho — Online Japanese dictionary

守る まもる 1: to protect; to guard; to defend;
2: to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow
Common word, Godan verb with ru ending, Transitive verb 
戍る まもる 1: to protect; to guard; to defend;
2: to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow
Irregular kanji usage, Godan verb with ru ending, Transitive verb 
護る まもる 1: to protect; to guard; to defend;
2: to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow
Godan verb with ru ending, Transitive verb 

You can also

Look up kanji details for 垨 まもる.

Try a Yahoo Jisho search for 垨 まもる .
Try a Goo Jisho search for 垨 まもる .
Try a Google search for 垨 まもる .