[1] : The Collaborative International Dictionary of English v.0.48

yearn \yearn\, v. i.  t. see yearnings.
   to curdle, as milk. scot.
   1913 webster
see also:
yearnings 

[2] : The Collaborative International Dictionary of English v.0.48

yearn \yearn\, v. i. oe. yernen, yoghernen, yogheornen, as.
   geornian, gyrnan, fr. georn desirous, eager; akin to os. gern
   desirous, girnean, gernean, to desire, d. gaarne gladly,
   willingly, g. gern, ohg. gerno, adv., gern, a., g. gier
   greed, ohg. girimac greed, ger desirous, ger=on to
   desire, g. begehren, icel. girna to desire, gjarn eager,
   goth. fa'ihuga'irns covetous, ga'irnjan to desire, and
   perhaps to gr. chai`rein to rejoice, be glad, skr. hary to
   desire, to like. root33.
   to be filled with longing desire; to be harassed or rendered
   uneasy with longing, or feeling the want of a thing; to
   strain with emotions of affection or tenderness; to long; to
   be eager.
   1913 webster

         joseph made haste; for his bowels did yearn upon his
         brother; and he sought where to weep.    --gen. xliii.
                                                  30.
   1913 webster

         your mother's heart yearns towards you.  --addison.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

yearn \yearn\ y~ern, v. t. imp.  p. p. yearned; p. pr. 
   vb. n. yearning. also earn, ern; probably a corruption of
   oe. ermen to grieve, as. ierman, yrman, or geierman, geyrman,
   fr. earm wretched, poor; akin to d.  g. arm, icel. armr,
   goth. arms. the y- in english is perhaps due to the as. ge
   see y-.
   to pain; to grieve; to vex. obs. "she laments, sir, for it,
   that it would yearn your heart to see it." --shak.
   1913 webster

         it yearns me not if men my garments wear. --shak.
   1913 webster
see also:
yearned yearning y- 

[4] : The Collaborative International Dictionary of English v.0.48

yearn \yearn\, v. i.
   to be pained or distressed; to grieve; to mourn. obs.
   "falstaff he is dead, and we must yearn therefore." --shak.
   1913 webster

[5] : WordNet (r) 2.0

yearn
     v 1: desire strongly or persistently syn: hanker, long
     2: have a desire for something or someone who is not present;
        "she ached for a cigarette"; "i am pining for my lover"
        syn: ache, yen, pine, languish
     3: have affection for; feel tenderness for
see also:
hanker long ache yen pine languish 

[6] : Moby Thesaurus II by Grady Ward, 1.0

18 moby thesaurus words for "yearn":
   ache, covet, crave, desire, dream, fancy, hanker, hunger, itch,
   long, lust, pant, pine, prefer, thirst, want, wish, yen

Yearn >> Y Words
Yearn, definition of term: Yearn
yearn_pag1.html