the children had to be in bed before it was time for the trimming of the tree.
Examples of trimming
trimming
Why don't we hear a peep out of Washington about trimming the government itself?
From the washingtontimes.com
Other proposed reforms include trimming benefits and raising the retirement age.
From the signonsandiego.com
With budget cuts and layoffs, each of the two centers has one crew for trimming.
From the tennessean.com
To make ends meet, some cities have stopped filling potholes and trimming trees.
From the fresnobee.com
The parks department may consider trimming programs in the future, Sanders said.
From the signonsandiego.com
They work for tree-trimming businesses, power companies or rescue organizations.
From the sltrib.com
They are taking care of the ball, trimming their turnovers when it matters most.
From the usatoday.com
If using a Canard Gras, remove the legs and breast, trimming off any excess fat.
From the expressandstar.com
I was trimming my pyracantha and discovered a white fungus on almost every stem.
From the charlotteobserver.com
More examples
The act of adding decoration; "the children had to be in bed before it was time for the trimming of the tree"
A decoration or adornment on a garment; "the trimming on a hat"; "the trim on a shirt"
Trim: cutting down to the desired size or shape
(trimmings) fixings: the accessories that normally accompany (something or some activity); "an elaborate formal dinner with all the fixings"; "he bought a Christmas tree and trimmings to decorate it"
(trim) a state of arrangement or appearance; "in good trim"
(trim) spare: thin and fit; "the spare figure of a marathon runner"; "a body kept trim by exercise"
(TRIM) In computing, a TRIM command allows an operating system to inform a solid-state drive which blocks of data are no longer considered in use and can be wiped internally.
(Trim (aircraft)) A conventional fixed-wing aircraft flight control system consists of flight control surfaces, the respective cockpit controls, connecting linkages, and the necessary operating mechanisms to control an aircraft's direction in flight. ...
(Trim (cat)) Trim was a ship's cat that accompanied Matthew Flinders on his voyages to circumnavigate and map the coastline of Australia in 1801-03.