Mosaic piece (4)
'mosaic piece' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tessera that I've seen before include "Small mosaic piece" , "Mosaic component" , "password" , "only part of the picture" , "part of a mosaic" .)
'mosaic piece' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tile that I've seen before include "Thin slab of ceramic or slate" , "Roof slabs" , "Ceramic slab for roofs, walls, floors etc" , "Scrabble piece" , "9 for the roof?" .)