trough

trough /ˈtrɑːf/ noun
plural troughs
trough
/ˈtrɑːf/
noun
plural troughs
Britannica Dictionary definition of TROUGH
[count]
1 
: a long, shallow container from which animals (such as cows, pigs, horses, etc.) eat or drink
2 
: a period in which there is little economic activity and prices are usually low
3 
: a long, low area between waves or hills
4 
weather : a long, narrow area of low air pressure between two areas of higher pressure — compare ridge 4

have/get your nose/snout in the trough

British, disapproving
: to be in or get into a situation in which you are getting or trying to get a lot of money