1. sit in - Noun
2. sit in - Adjective
3. sit in - Verb
participate in an act of civil disobedience
attend as a visitor
a form of civil disobedience in which demonstrators occupy seats and refuse to move
Source: WordNetsit-in
No nation is fit to sit in judgment upon any other nation. Woodrow Wilson
To sit in the shade on a fine day and look upon verdure is the most perfect refreshment. Jane Austen
Brothers don't necessarily have to say anything to each other - they can sit in a room and be together and just be completely comfortable with each other. Leonardo DiCaprio
Old men sit in the shade because they planted a tree many years before. Kiganda Proverb
He who wants milk should not sit in the middle of a field and wait for a cow to back up to him. Italian Proverb
There is not enough room for two elephants to sit in the same shade. African Proverb