Crossword clue: a dough-like mixture of whiting and boiled linseed oil; used especially to patch woodwork or secure panes of glass

The most common answer is putty (5 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

putty 5 letters wn-def

a dough-like mixture of whiting and boiled linseed oil; used especially to patch woodwork or secure panes of glass