a source of difficulty
a state of difficulty that needs to be resolved
a question raised for consideration or solution
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
(Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
small tubular solitary freshwater hydrozoan polyp
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
