|Origin:||truelle, from Late Latin truella, from Latin trua 'large deep spoon'|
a garden tool like a very small spade
a small tool with a flat blade, used for spreading cement on bricks etc
3 British English informal
to say things that make something seem much better, worse etc than it really is [= exaggerate]:
'I really don't feel too good,' I croaked, laying it on with a trowel.