n.1.As much as a trowel will hold; enough to fill a trowel.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
After he had turned a few trowelfuls of soil he spoke exultantly to Dickon in his best Yorkshire.
He added: "When they have reached the right level, it will be trowelful by trowelful."
To each gallon, I add a trowelful of perlite to improve drainage.
The alarm rings and we're off, running so hard that by the time we stop we're too tired to do much of anything except nod in front of the TV, which, like virtually all the other voices in our culture, endorses our exhaustion, fetishizes and romanticizes it and, by daily adding its little trowelful of lies and omissions, helps cement the conviction that not only is this how our three score and ten must be spent but that the transaction is both noble and necessary.
In heavy soils, put a trowelful of sand or grit underneath each bulb.
This decrease in course thickness as height increases gives your wall the appearance of timeless stability not unlike decreasing width/height gives the Great Pyramids (also laid up without a trowelful of mortar).
In each planting hole, I placed a trowelful of composted poultry manure and about a cupful of water.
Remember to wet the hawk to prevent the filler from sticking to it then scoop out a couple of trowelfuls of filler on to the hawk.