senatorial courtesy
A long-standing, unofficial convention by which a senator will support a Senate…A long-standing, unofficial convention by which a senator will support a Senate colleague opposing the appointment to federal office of a nominee from that senator's state.
Meaning
1 senses(US, uncountable)A long-standing, unofficial convention by which a senator will support a Senate colleague opposing the appointment to federal office of a nominee from that senator's state.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable