A Game of Matching

For the nostalgic delight of my Balderdash companions:

The word is suint [soo-int, swint] (noun).  A game of matching:

A. Barry Howe  

B. Christy Kurtz

C. Dictionary Definition

D. Jonathan Gerrans

D. Kelsey Belcourt

E. Linnea Haugen

1. A short pipe used in a car's fuel system. 

2. To creep stealthily, as if on a secret mission. 

3. Floating vegetable matter that often obstructs navigation. 

4. A swaggering stride. Went out of general use in the late 1800's.

5. A Japanese urchin.

6. A natural grease of sheep.