bark

1 bark /ˈbɑɚk/ verb
barks; barked; barking
1 bark
/ˈbɑɚk/
verb
barks; barked; barking
Britannica Dictionary definition of BARK
1 
[no object] of a dog : to make a short loud sound
2 
: to shout or say (something) in a loud and angry way
[+ object]
— often + out
[no object]

barking up the wrong tree

informal
: trying to do something in a way that will not be successful
2 bark /ˈbɑɚk/ noun
plural barks
2 bark
/ˈbɑɚk/
noun
plural barks
Britannica Dictionary definition of BARK
[count]
: the short, loud sound made by a dog
also : a similar sound
◊ If your bark is worse than your bite, you appear to be more angry or dangerous than you really are.
3 bark /ˈbɑɚk/ noun
plural barks
3 bark
/ˈbɑɚk/
noun
plural barks
Britannica Dictionary definition of BARK
: the outer covering of a tree
[noncount]
[count]
4 bark noun
or barque /ˈbɑɚk/
plural barks or barques
4 bark
noun
or barque /ˈbɑɚk/
plural barks or barques
Britannica Dictionary definition of BARK
[count]
: a small sailing ship