An Encylopedia Britannica Company

muscle

1 muscle /ˈmʌsəl/ noun
plural muscles
1 muscle
/ˈmʌsəl/
noun
plural muscles
Britannica Dictionary definition of MUSCLE
: a body tissue that can contract and produce movement
[count]
[noncount]
often used before another noun
[noncount]
: physical strength
: power and influence

flex your muscles

see 1flex
2 muscle /ˈmʌsəl/ verb
muscles; muscled; muscling
2 muscle
/ˈmʌsəl/
verb
muscles; muscled; muscling
Britannica Dictionary definition of MUSCLE
[+ object] : to move (something) by using physical strength and force
often used figuratively
: to move forward by using physical force
[no object]
[+ object]

muscle in

[phrasal verb]
: to use force or influence in a way that is wrong or unwanted in order to become involved in something for selfish reasons usually + on