Sev"en*ti*eth (?), a. [AS. hund- seofontigoða.] 1. Next in order after the sixty-ninth; as, a man in the seventieth year of his age.

2. Constituting or being one of seventy equal parts.

Sev"en*ti*eth, n. 1. One next in order after the sixty-ninth.

2. The quotient of a unit divided by seventy; one of seventy equal parts or fractions.

Sev"en*ti*eth (?), a. [AS. hund- seofontigoða.] 1. Next in order after the sixty-ninth; as, a man in the seventieth year of his age.

2. Constituting or being one of seventy equal parts.

Sev"en*ti*eth, n. 1. One next in order after the sixty-ninth.

2. The quotient of a unit divided by seventy; one of seventy equal parts or fractions.

• The ordinal form of the number seventy.
  
• The person or thing in the seventieth position.
  
• One of seventy equal parts of a whole.