mushroom

1 mushroom /ˈmʌʃˌruːm/ noun
plural mushrooms
1 mushroom
/ˈmʌʃˌruːm/
noun
plural mushrooms
Britannica Dictionary definition of MUSHROOM
[count]
: a fungus that is shaped like an umbrella
especially : one that can be eaten — often used before another noun
— compare toadstool; see also button mushroom
2 mushroom /ˈmʌʃˌruːm/ verb
mushrooms; mushroomed; mushrooming
2 mushroom
/ˈmʌʃˌruːm/
verb
mushrooms; mushroomed; mushrooming
Britannica Dictionary definition of MUSHROOM
[no object]
1 
: to increase or develop very quickly
2 
: to collect wild mushrooms