seniority

From Middle English senyoryte, from Medieval Latin senioritas, from Latin senior (“elder”); see senior.

• (Received Pronunciation) enPR: sēn-ē-ŏrʹĭ-tē, IPA^(key): /siːnɪˈɒɹɪti/
• (General American) enPR: sēn-yŏrʹĭ-tē, IPA^(key): /sinˈjɔɹɪti/
• Rhymes: -ɒɹɪti
• Hyphenation: se‧nior‧i‧ty

seniority (countable and uncountable, plural seniorities)

1. A measure of the amount of time a person has been a member of an organization, as compared to other members, and with an eye towards awarding privileges to those who have been members longer.

   It's an old-fashioned company, with parking spaces and other perks doled out on the basis of seniority.

• eldership

• senior

• seniority in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• seniority in The Century Dictionary, New York, N.Y.: The Century Co., 1911.