Source : Webster's Revised Unabridged Dictionary (1913)

Anal \A"nal\, a. [From {Anus}.] (Anat.)
   Pertaining to, or situated near, the anus; as, the anal fin
   or glands.

Source : WordNet®

anal
     adj 1: of or related to the anus; "anal thermometer"
     2: a stage in psychosexual development when the child's
        interest is concentrated on the anal region; fixation at
        this stage is said to result in orderliness, meanness,
        stubbornness, compulsiveness, etc. [ant: {oral}]