Fountain (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fountain</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spring that I've seen before include "Bound; source" , "Season of growth" , "Mechanical device" , "warp" , "The vernal season" .)
(Other definitions for soda that I've seen before include "pressurised liquid" , "Sodium carbonate" , "Mixer drink" , ""Splashed" drinks mixer" , "Drink containing carbonated water and sometimes flavouring" .)
(Other definitions for pen that I've seen before include "Writing implement" , "'The ... is mightier than the sword'" , "Cage - bird" , "Shut up" , "See 20" .)