London art gallery (4)
I believe the answer is:
tate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">london art gallery</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tate that I've seen before include "Gallery (or two!)" , "Art gallery founded by sugar magnate" , "Maurice - - , cricketer 1895-1956" , "- - Modern: art gallery" , "Well-known London art gallery" .)