The term 'send along' can be defined by three crossword solutions: RELAY (5 letters), passon (6 letters), and TRANSMIT (8 letters). RELAY is the act of passing something from one person to another, while passon is the act of giving something to someone else. TRANSMIT is the act of sending something from one place to another. All three words are related to the idea of sending something along from one person or place to another.