1. A football player whose responsibility is to block players attempting to stop an offensive play 
2. A class of drugs that inhibit (block) some biological process
   - blocking agent

Derived forms: blockers

See also: block

Type of: football player, footballer [N. Amer], medicament, medication, medicinal drug, medicine

Encyclopedia: Blocker Blocker, Oklahoma

• knag
• knap
• knapsack
• knapweed
• knave
• knavery
• knavish
• knavishly
• knawe
• knawel
• knead
• kneadable
• kneader
• knee
• knee bend
• knee brace
• knee breeches
• knee jerk
• knee joint
• knee pad
• knee pants
• knee piece
• knee-deep
• knee-hi
• knee-high