1. Resembling or containing clay
   - argillaceous 
2. (used of soil) compact and fine-grained
   "the clayey soil was heavy and easily saturated"
   - cloggy, heavy

See also: compact

• walking delegate
• walking fern
• Walking horse
• walking leaf
• walking on air
• walking papers
• walking shoe
• walking wounded
• walkingstick
• Walkman
• walkout
• walkover
• walkway
• walky-talky
• wall
• wall barley
• wall bracket
• wall clock
• wall creeper
• wall fern
• wall germander
• wall hanging
• wall in
• wall of silence
• wall painting