quarter
The second letter of the seven letter word meaning "one-fourth" is "u." The word is "quarter."u as in quarter
passkey
U (the word is Quarter)
quarter
quarter
signals
addressapproveboarderberriescorrodechurnedcarrioncharitycurrantcurrentdepressdecreedentrustembraceencrustglorifyflaringflirtedhorrifyhurriedharriedimpressmarriedoperatepetrifyrepressregressretracescoringsternlyscornedsharpenshortenskirtedstoriesspurnedstartedswirledspiralsterrainthirstyterrifyworried
enraged
courier
flavour
Labours
quarter