(~s, including, ~d)
Frequency: The word is one of the 700 most common words in English.
1.
If one thing ~s another thing, it has the other thing as one of its parts.
The trip has been extended to ~ a few other events...
VERB: V n
2.
If someone or something is ~d in a large group, system, or area, they become a part of it or are considered a part of it.
I had worked hard to be ~d in a project like this...
The President is expected to ~ this idea in his education plan.
VERB: be V-ed in n, V n in n