atrial
         adj 1: of or relating to a cavity or chamber in the body
                  (especially one of the upper chambers of the heart)

English Dictionary: authorial	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
atrial artery n the branch of the coronary artery that supplies the muscles of the atria
From WordNet (r) 3.0 (2006) [wn]:
atrial auricle n a small conical pouch projecting from the upper anterior part of each atrium of the heart Synonym(s): auricle, atrial auricle, auricula atrii
From WordNet (r) 3.0 (2006) [wn]:
atrial fibrillation n fibrillation of the muscles of the atria of the heart
From WordNet (r) 3.0 (2006) [wn]:
atrial septal defect n an abnormal opening between the left and right atria of the heart
From WordNet (r) 3.0 (2006) [wn]:
authorial adj of or by or typical of an author; "authorial comments"; "auctorial flights of imagination" Synonym(s): authorial, auctorial
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
2. (Bot.) A tree of the genus {Asimina} ({A. triloba}),             growing in the western and southern parts of the United             States, and producing a sweet edible fruit; also, the             fruit itself. --Gray.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Adurol \Ad"u*rol\, n. (Photog.)       Either of two compounds, a chlorine derivative and bromine       derivative, of hydroquinone, used as developers.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Atrial \A"tri*al\, a.       Of or pertaining to an atrium.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Atwirl \A*twirl"\, a. & adv. [Pref. a- + twist.]       Twisted; distorted; awry. [R.] --Halliwell.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Authorial \Au*tho"ri*al\, a.       Of or pertaining to an author. [bd]The authorial [?]we.'[b8]       --Hare.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Authorless \Au"thor*less\, a.       Without an author; without authority; anonymous.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Authorly \Au"thor*ly\, a.       Authorial. [R.] --Cowper.
From Easton's 1897 Bible Dictionary [easton]:
Adriel       flock of God, the son of Barzillai, the Meholathite, to whom       Saul gave in marriage his daughter Merab (1 Sam. 18:19). The       five sons that sprang from this union were put to death by the       Gibeonites (2 Sam. 21:8, 9. Here it is said that Michal "brought       up" [R.V., "bare"] these five sons, either that she treated them       as if she had been their own mother, or that for "Michal" we       should read "Merab," as in 1 Sam. 18:19).
From Hitchcock's Bible Names Dictionary (late 1800's) [hitchcock]:
Adriel, the flock of God