1. Perennial of southeastern United States having usually blue flowers
   - Short's aster

Type of: aster

• cooling
• cooling system
• cooling tower
• coolly
• coolness
• coolwart
• cooly
• coom
• coomb
• coombe
• coon
• coon bear
• coon cat
• coondog
• coonhound
• coonskin
• coonskin cap
• coontie
• coop
• coop in
• coop up
• cooper
• Cooper Union
• Cooper Union for the Advancement of Science and Art
• Cooper's hawk