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Ballast

//ˈbæl.əst// noun, verb

Noun

1
Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability. uncountable, usually
"“Oh, for the-- how much did you waste on that little boondoggle?” “Well, it's not that so much as--” “Krieger.” “Well, I needed ballast, and what better to simulate bricks of cocaine than, you know, bricks of cocaine.”"
2
any heavy material used to stabilize a ship or airship wordnet
3
Anything that steadies emotion or the mind. figuratively, uncountable, usually
4
an electrical device for starting and regulating fluorescent and discharge lamps wordnet
5
Coarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete; track ballast. uncountable, usually

Show 6 more definitions

6
a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) wordnet
7
A material, such as aggregate or precast concrete pavers, which employs its mass and the force of gravity to hold single-ply roof membranes in place. uncountable, usually
8
an attribute that tends to give stability in character and morals; something that steadies the mind or feelings wordnet
9
device used for stabilizing current in an electric circuit (e.g. in a tube lamp supply circuit) countable, usually
10
coarse gravel laid to form a bed for streets and railroads wordnet
11
That which gives, or helps to maintain, uprightness, steadiness, and security. figuratively, uncountable, usually
"With 73 minutes gone Rafael Márquez came on to add ballast at the back, appearing in his fifth World Cup aged 39 and with alleged links to drug trafficking, which he denies, on hold for now. And so they sat deep with a thin green line of five defenders ranged across their own penalty area as the game became a Mexican stand-off, attack versus defence."

Verb

1
To stabilize or load a ship with ballast. transitive
2
make steady with a ballast wordnet
3
To lay ballast on the bed of a railroad track. transitive
"The task of a Railway Construction Company, R.E., is to lay and ballast the track; [...]."
4
To weigh down with a ballast. transitive
"The noosance was […] that to make the umbrella effective he would have to carry abroad such weight to ballast it as would put the whole contraption out of action for carrying abroad at all."

Etymology 1

From Middle English bar (“bare”) + last (“load”).

Etymology 2

From Middle English bar (“bare”) + last (“load”).

Unscramble this word: ballast