the letter would be "u", if the 7 letter word is quarter, which means one fourth...
u as in quarter
The second letter of the seven letter word meaning "one-fourth" is "u." The word is "quarter."u as in quarter
A seven-letter word meaning 'including everything' is 'overall'.
A seven letter word for lasts is endures.
surreal
missing
counsel
desired
uncover
poached
getaway
slander