a. [ L. aurum gold. ] 1. Of or pertaining to gold. [ 1913 Webster ]

2. (Chem.) Pertaining to, or derived from, gold; -- said of those compounds of gold in which this element has its higher valence; as, auric oxide; auric chloride. [ 1913 Webster ]

a. [ L. aurichalcum, for orichalcum brass. ] (Zool.) Brass-colored. [ 1913 Webster ]

n. [ See Aurichalceous. ] (Min.) A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction. [ 1913 Webster ]

n. [ L. auricula, dim. of auris ear. See Ear. ] 1. (Anat.) (a) The external ear, or that part of the ear which is prominent from the head. (b) The chamber, or one of the two chambers, of the heart, by which the blood is received and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart. [ 1913 Webster ]

2. (Zool.) An angular or ear-shaped lobe. [ 1913 Webster ]

3. An instrument applied to the ears to give aid in hearing; a kind of ear trumpet. Mansfield. [ 1913 Webster ]

a. Having ear-shaped appendages or lobes; auriculate; as, auricled leaves. [ 1913 Webster ]

‖n.; pl. L. Auriculæ E. Auriculas [ L. auricula. See Auricle. ] 1. (Bot.) (a) A species of Primula, or primrose, called also, from the shape of its leaves, bear's-ear. (b) (b) A species of Hirneola (Hirneola auricula), a membranaceous fungus, called also auricula Judæ, or Jew's-ear. P. Cyc. [ 1913 Webster ]

2. (Zool.) (a) A genus of air-breathing mollusks mostly found near the sea, where the water is brackish. (b) One of the five arched processes of the shell around the jaws of a sea urchin. [ 1913 Webster ]

a. [ LL. auricularis: cf. F. auriculaire. See Auricle. ] 1. Of or pertaining to the ear, or to the sense of hearing; as, auricular nerves. [ 1913 Webster ]

2. Told in the ear, i. e., told privately; as, auricular confession to the priest. [ 1913 Webster ]

This next chapter is a penitent confession of the king, and the strangest . . . that ever was auricular. Milton. [ 1913 Webster ]

3. Recognized by the ear; known by the sense of hearing; as, auricular evidence. “Auricular assurance.” Shak. [ 1913 Webster ]

4. Received by the ear; known by report. “Auricular traditions.” Bacon. [ 1913 Webster ]

5. (Anat.) Pertaining to the auricles of the heart. [ 1913 Webster ]

Auricular finger, the little finger; so called because it can be readily introduced into the ear passage. [ 1913 Webster ]

‖n. pl. [ Neut. pl., fr. LL. auricularis. ] (Zool.) A kind of holothurian larva, with soft, blunt appendages. See Illustration in Appendix. [ 1913 Webster ]

adv. In an auricular manner. [ 1913 Webster ]

n. pl. (Zool.) A circle of feathers surrounding the opening of the ear of birds. [ 1913 Webster ]

{ } a. [ See Auricle. ] (Biol.) Having ears or appendages like ears; eared. Esp.: (a) (Bot.) Having lobes or appendages like the ear; shaped like the ear; auricled. (b) (Zool.) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc. [ 1913 Webster ]

Auriculate leaf, one having small appended leaves or lobes on each side of its petiole or base. [ 1913 Webster ]

adj. (Med.) relating to or affecting the atria and ventricles of the heart.
Syn. -- atrioventricular. [ WordNet 1.5 ]

a. [ Pref. bi- + auriculate. ] 1. (Anat.) Having two auricles, as the heart of mammals, birds, and reptiles. [ 1913 Webster ]

2. (Bot. & Zool.) Having two earlike projections at its base, as a leaf. [ 1913 Webster ]

a. (Anat.) Between the auricles; as, the interauricular partition of the heart. [ 1913 Webster ]

a. 1. Pertaining to, or derived from, the European bay or laurel (Laurus nobilis). [ 1913 Webster ]

2. pertaining to or combined with lauric acid, the 12-carbon member of the fatty acid series; combined with the acyl group of lauric acid. [ PJC ]

(Chem.), a white, crystalline substance, CH3.(CH2)10.COOH, resembling palmitic acid, and obtained from the fruit of the bay tree, and various other vegetable sources. The sodium salt (sodium lauryl sulfate) is used as a detergent. Syn. -- dodecanoic acid, laurostearic acid, dodecoic acid. [ 1913 Webster + PJC ]

a. [ Sulpho- + aurum. ] (Chem.) Of, pertaining to, or designating, a hypothetical sulphacid of gold (aurum), known only in its salts. [ 1913 Webster ]

a. (Zool.) Situated above the ear coverts, or auriculars; -- said of certain feathers of birds. -- n. A supra-auricular feather. [ 1913 Webster ]

a. [ L. tauricornis; taurus a bull + cornu a horn. ] (Zool.) Having horns like those of a bull. Sir T. Browne. [ 1913 Webster ]

a. (Anat.) Of or pertaining to both the temple and the ear; as, the temporo-auricular nerve. [ 1913 Webster ]