The Collaborative International Dictionary of English v.0.48:

Anal \A"nal\, a. [From Anus.] (Anat.)
   Pertaining to, or situated near, the anus; as, the anal fin
   or glands.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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. [syn: anal, anal retentive] [ant:
       oral]

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "anal":
   abdominal, accordant, appendical, bourgeois, cardiac, cecal, colic,
   colonic, compulsive, concordant, conformist, conventional,
   coronary, corresponding, dinky, duodenal, enteric, formalistic,
   gastric, harmonious, ileac, in accord, in keeping, in line,
   in step, intestinal, jejunal, kosher, mesogastric, neat, orthodox,
   pedantic, plastic, precisianistic, pyloric, rectal, shipshape,
   sleek, slick, smart, snug, splanchnic, spruce, square, straight,
   stuffy, tidy, tight, traditionalist, trig, trim, uptight, visceral,
   well-cared-for, well-groomed