Tide type (4)
I believe the answer is:
neap
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tide type</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 neap that I've seen before include "The half-way kind of tide" , "Least in difference between high and low tides" , "Tide of smallest rise and fall" , "Tide when there is the least variation between high and low water" , "Tide of minimum range" .)