The term 'Throw a Line to' is an idiom which means to offer HELP or assistance. The two crossword solutions for this term are HELP (4 letters) and CUE (3 letters). HELP is a verb which means to give assistance to someone in need, while CUE is a noun which refers to a signal or prompt to do something. Therefore, the phrase 'Throw a Line to' can be interpreted as offering assistance or providing a prompt to someone.