IT'S GOING TO COST YOU

Credit: NY Times Crossword
September 12, 2010

Paula Gamache

What do the following phrases have in common?

BEAR MARKET

REGULAR MEALS

SOLAR MASS

BUBBLE GUM

WAR MEMORIALS

MIDDLE GROUND

CALENDAR MONTHS

IDLE GOSSIP

HINTS:
#1: The title is a hint.

#2: One or the other of two related words is hidden in each phrase.

Answer:

Each phrase contains either the word ARM or LEG.