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cup

1 cup /ˈkʌp/ noun
plural cups
1 cup
/ˈkʌp/
noun
plural cups
Britannica Dictionary definition of CUP
[count]
: a small round container that often has a handle and that is used for drinking liquids (such as tea and coffee) see picture at place setting; see also teacup
: the liquid that is contained in a cup
US : a unit of measurement that is used when you are cooking
◊ A cup is used to measure both dry and liquid ingredients. It is equal to half a pint or 237 milliliters.
see also measuring cup
: a large gold or silver cup that is given as a prize for winning a competition or game used in the names of some sports competitions in which a cup is the prize
: something that is shaped like a cup see also eggcup, suction cup
chiefly US : a food that is served in a cup or small bowl
US : a hard piece of plastic that men and boys wear to protect and support their sexual organs while playing a sport
called also (British) box
: either one of the parts of a bra that cover the breasts used especially to describe the size of a bra
US, golf : the metal or plastic case that is placed in the hole on a putting green
also : the hole itself

in the cup of your hand

◊ If you hold something in the cup of your hand, you hold it in your palm with your hand curved like a cup.

not your cup of tea

◊ If something is not your cup of tea, you do not like it very much or you are not very good at it.
2 cup /ˈkʌp/ verb
cups; cupped; cupping
2 cup
/ˈkʌp/
verb
cups; cupped; cupping
Britannica Dictionary definition of CUP
[+ object]
: to curve (your hand) into the shape of a cup
: to put your hand in a curved shape around (something)