Has office hours

• "The ball ___ your court"
• "The doctor ___ "
• "The proof of the pudding ___ . . . "
• 'Spring -- the air'
• "The doctor ___"
• ''The proof of the pudding ___ . . .''
• See blurb
• Ancient Sumerian city
• "The proof ... ___ the eating"

Wikipedia Word definitions in Wikipedia
Isin is an ancient city in Mesopotamia. Isin or ISIN may also refer to: Isin Rural District , in Iran Isin, Kwara International Securities Identification Number