| ROOMANDBOARD | College bill portion .- or a hint to the two parts of 97-Across, respectively |
| LEARNONME | Words from one footing the college bill? |
| ELEC | Util. bill portion |
| SERVINGSIZE | Food portion, or a clue to the starts of 17-, 30-, and 49-Across |
| DOUBLEBOOK | Reserve twice in error, as an airline seat ... or a hint to the two-part answers to starred clues |
| TIMEANDPLACE | Setting ... or a hint to the two parts of 22-Across, respectively |
| CARANDDRIVER | Magazine for auto buffs ... or a hint to the two parts of 38-Across, respectively |
| LOCKANDKEY | What valuables are kept under ... or a hint to the two parts of 66-Across, respectively |
| SONGANDDANCE | Evasive explanation ... or a hint to the two parts of 123-Across, respectively |
| CHANGEENDS | Tennais umpire's order after odd-numbered games ... and a hint to the two sets of circled letters in each of eight answers |
| YIN | ___ and yang (the two parts of a Chinese symbol of duality) |
| POWERCOUPLE | The Obamas, for one or what fits between the two parts of each starred clue's answer? |
| PART | A chapter, component, element, episode, ingredient, portion or other fraction of a whole; a role played by an actor; a duty; or, a bodily organ (4) |
| MESS | A course, dish, portion or serving of food; feed mixed for an animal; a company of people eating together; or, a jumble, medley, muddle or pickle (4) |
| OBERSEE | The larger of the two parts of Lake Constance |
| SPURGELAUREL | Shrub which is neither of the two parts of its name |
| BREADANDBUTTER | Primary source of income ... and words that can precede the two parts, respectively, of the answers to starred clues |
| FRAGMENT | From "to break", a chip, crumb, shard or other piece broken off; or, an unfinished portion or part of a conversation, novel, writing etc (8) |
| NAPPE | Either of the two parts into which a double cone is divided by the vertex (5) |
| MOIETY | From Latin for "middle", word for a half, lesser part, portion or share; or, a distinct segment of a molecule (6) |
