TRANSFER OF GIFU CARP HERALDS WINTER'S ARRIVAL
set in — phrasal verb
When something unpleasant sets in, it begins and seems likely to continue in a serious way:
This rain looks as if it has set in for the rest of the day.
If you get bitten by a dog, you have to make sure the wound is cleaned well, or an infection could set in.
Despair seems to have set in among the team.
UK /ˌɔː.nəˈmen.təl/ US /ˌɔːr.nəˈmen.t̬əl/
beautiful rather than useful:
a bowl of ornamental china fruit
The handles on each side of the box are purely ornamental (= they are for decoration only).
channel noun [C] UK /ˈtʃæn.əl/ US /ˈtʃæn.əl/
channel noun [C] (PASSAGE)
a passage for water or other liquids to flow along, or a part of a river or other area of water that is deep and wide enough to provide a route for ships to travel along:
There are drainage/irrigation channels all over this flat agricultural land.
The boats all have to pass through this narrow channel.
quarters plural noun
a place where someone lives or has a business:
In 1998 he moved his company to larger quarters on State Street.
(from Cambridge Dictionary)