There's a word for it:
1. Person who reads in bed — "librocubicularist"
2. Sing and weep simultaneously — "chantepleure"
3. Animal epidemic — "epizootic"
4. Digital readouts on gas pumps — "totalizer"
5. Pale area at base of fingernail — "lunula"
6. Pattern for Oriental rug design — "cartoon"
© World Features Syndicate