delimitation (n.)

• bound
• boundary
• bourn
• ceiling
• circumscription
• compass
• cutoff
• deadline
• definition
• demarcation
• determinant
• determination
• end
• extremity
• finish
• floor
• frontier
• hedge
• interface
• limen
• limit
• limitation
• line
• march
• mark
• mete
• specification
• start
• term
• terminus
• threshold