1
N‑COUNT
[usu n N
] A
booster
is something that increases a positive or desirable quality. □
2
N‑COUNT
A
booster
is an extra engine in a machine such as a space rocket, which provides an extra amount of power at certain times. □
3 N‑COUNT A booster is a small injection of a drug that you have some time after a larger injection, in order to make sure that the first injection will remain effective.
4
N‑COUNT
[N
n] A
booster
is someone who supports a sports team, organization, person, or place very enthusiastically. [AM
] □
boo st|er seat (booster seats ) also booster cushion N‑COUNT A booster seat or a booster cushion is a special seat which allows a small child to sit in a higher position, for example at a table or in a car.
boot ◆◇◇ /buː t/ (boots , booting , booted )
1
N‑COUNT
Boots
are shoes that cover your whole foot and the lower part of your leg. □
2 → see also wellington
3
N‑COUNT
Boots
are strong, heavy shoes which cover your ankle and which have thick soles. You wear them to protect your feet, for example when you are walking or taking part in sport. □
4
VERB
If you
boot
something such as a ball, you kick it hard. [INFORMAL
] □ [V
n adv/prep]
5
N‑COUNT
The
boot
of a car is a covered space at the back or front, in which you carry things such as luggage and shopping. [BRIT
] □
6
PHRASE
If you
get the boot
or
are given the boot
, you are told that you are not wanted any more, either in your job or by someone you are having a relationship with. [INFORMAL
] □
7 PHRASE If someone puts the boot in , they attack another person by saying something cruel, often when the person is already feeling weak or upset. [BRIT , INFORMAL ]
8
PHRASE
You can say
to boot
to emphasize that you have added something else to something or to a list of things that you have just said. [FORMAL
, EMPHASIS
] □
▸
boot out
PHRASAL VERB
If someone
boots
you
out
of
a job, organization, or place, you are forced to leave it. [INFORMAL
] □ [V
P
n]
▸
boot up
PHRASAL VERB
When you
boot up
a computer, you make it ready to use by putting in the instructions which it needs in order to start working. [COMPUTING
] □ [V
P
+
boo t camp (boot camps )
1 N‑VAR In the United States, a boot camp is a camp where people who have just joined the army, navy, or marines are trained. [AM ]
2 N‑VAR A boot camp is a set of intensive exercises done on a regular basis and designed to improve strength and fitness. [AM ]
bootee /buː tiː / (bootees or booties )
1 N‑COUNT [usu pl] Bootees are short woollen socks that babies wear instead of shoes.
2 N‑COUNT Bootees are short boots which come to just above the ankle. They are worn especially by women and girls.
booth /buː ð/ (booths )
1
N‑COUNT
[usu n N
] A
booth
is a small area separated from a larger public area by screens or thin walls where, for example, people can make a phone call or vote in private. □