Hot spring (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hot spring</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for geyser that I've seen before include "Spring that spouts hot water" , "Gas-fired water heater" , "Spring spouting steam and hot water" , "It gushes steam and hot water" , "Spring that discharges steam and hot water" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hot spring</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for spa that I've seen before include "Health and beauty treatment establishment" , "Mineral-water resort" , "where health benefits are offered" , "eg Bath" , "well" .)