sit in for (someone) - to take someone else's place in some activity

What does sit in for (someone) in Idioms_sit stand for? This page is dedicated to explaining the various possible meanings of acronym, abbreviation, shorthand or slang term : sit in for (someone) What does sit in for (someone) in Idioms_sit mean? Ever wondered what sit in for (someone) means? Or any of the other 1,050,000 slang words, abbreviations and acronyms listed here at Sayitshort.com? Your resource for web acronyms, web abbreviations and netspeak.

What is sit in for (someone)?
sit in for (someone) is " to take someone else's place in some activity", under sit-in-for-(someone)
sit in for (someone) Definition / sit in for (someone) Means
The definition of sit in for (someone) is " to take someone else's place in some activity"
The Meaning of sit in for (someone)
sit in for (someone) means " to take someone else's place in some activity"
Other definition of sit in for (someone)?
We've found a total of 1 definitions for sit in for (someone) sit in for (someone) to take someone else's place in some activity in Idioms

What does sit in for (someone) in Idioms_sit stand for?