Ultima \Ul"ti*ma\, a. [L., fem. ultimus last.]

Most remote; furthest; final; last.

Ultima ratio [L.]

, the last reason or argument; the last resort.

Ultima Thule. [L.]

See Thule.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Ultima \Ul"ti*ma\, n. [L., fem. of ultimus last.]

(Gram. & Pros.) The last syllable of a word.

Source: Webster's Revised Unabridged Dictionary (1913)