AVE 4 



the East Indies, and the juice in 

 skin diseases. 



aves, n. plu.,ai/ez(L. avis, a bird), 

 the class of birds. 



Avicennia, n., ditiS'ten'-nt-tt (after 

 Avicenna, a Persian physician), 

 a genus of plants, Ord. Ver- 

 benacese, which have adventitious 

 roots like the mangrove : Avicen- 

 nia tomentosa, t8m-$n-tdz<d (L. 

 tomentum, a stuffing for cushions, 

 a downy pubescence), a species 

 in great use in Brazil for tan- 

 ning. 



avicularium, n., av'ik'ul'ar't'tim 

 (L. avicula, a little bird from 

 avis, a bird), a singular appendage, 

 frequently shaped like the head 

 of a bird, found in many of the 

 Polyzoa. 



awn, n., awn (Icel. ogn ; Swed. 

 agn; Gr. achne, chaff), the 

 beard of corn or grass : awned, 

 a., dwnd, having an awn or 

 beard. 



axil, n., dks'tt, also axilla, oks-il'-ld 

 (L. axilla, the armpit), in bot., 

 the upper angle where the leaf 

 joins the stem: axilla, n., 

 aks-il'ld, in anat., the armpit ; 

 the pyramidal space situated be- 

 tween the upper and lateral part 

 of the chest, and the inner side 

 of the arm ; a part forming a 

 similar angle : axile, a., dks-il, 

 also axial, dksf-i-dl, belonging to 

 the axis : axillary, a,.,dks f -il-ldr>i, 

 in bot., arising from the axis of 

 a leaf; in anat., designating an 

 artery which commences at the 

 lower border of the first rib, and 

 terminates at the lower border of 

 the tendons of the 'latissimi 

 dorsi' and 'teres major' muscles ; 

 designating parts that belong to 

 the axilla or armpit : axillary 

 plexus, in anat., the brachial 

 plexus, formed by the last three 

 cervical and first dorsal nerves : 

 axial skeleton, the whole ver- 

 tebrae of the body, extending in a 

 line from the top of the neck or 

 atlas, to the bottom of the trunk. 



I AZY 



axis, n., dks'is, axes, plu., dies' ez 

 (L. axis, Gr. axon, an axle-tree, 

 a pole), in bot., the central por- 

 tion of the plant from which the 

 plumule and radicle are given off; 

 the central organ bearing buds ; 

 the common stem or main body 

 of a plant ; in anat., the second, 

 cervical vertebra, so called as 

 forming the pivot upon which 

 the atlas and head rotate : caeliac 

 axis, the first trunk given off 

 by the abdominal aorta : thyroid 

 axis, a short trunk arising from 

 the subclavian artery : axis 

 cylinder, the central portion or 

 axis tract of a nerve. 



Azalea, n., az-dl'$-a (Gr. azaUos, 

 dry, parched, in allusion to the 

 dry habitat of the plant from 

 azo, I dry or parch), a genus 

 of plants, Ord. Ericaceae, univers- 

 ally admired for their white, 

 orange, purple, scarlet, and 

 variegated flowers : Azalea In- 

 dica, m'-dik-d (L. Indicus, of or 

 from India), a greenhouse plant 

 of great beauty; A. Pontica, 

 p8ntf>ik-a (L. Pontus, the Black 

 Sea), is supposed to have been 

 the plant whose flowers yielded 

 the poisonous honey noticed by 

 Xenophon in the retreat of the 

 10,000 : A. procumbens, pro- 

 kumf-bZnz (L. procumbens, lean- 

 ing or bending forwards), grows 

 on the mountains of Scotland 

 and in the Arctic regions. 



azote, n., tiz'ot (Gr. a, without; 

 zoe, life), nitrogen gas, so called 

 because it will not support the 

 respiration of animals : azotic, a., 

 aZ'Qtf'ik, ^pert. to azote ; fatal to 

 animal life: azotised, a., az'ot- 

 Izd, containing nitrogen or azote. 



azoturia, n., az'-ot-ur'-i-a (Eng. 

 azote ; Gr. ouron, L. urlna, 

 urine), an excess of urea in the 

 urine ; a disease of animals aris- 

 ing from a too rapid disintegra- 

 tion of tissues, or a de-fective 

 assimilation of food. 



azygos, n., az'-ig-os (Gr. a, with- 



