オウ 
よこ 
() side () lateral () horizontal () width
  
よこ (n) (1) horizontal (as opposed to vertical), lying down, (2) side-to-side (as opposed to front-to-back), width, breadth, (3) side (of a box, etc.), (4) beside, aside, next to, (5) unconnected
よこたわる (v5r,vi) to lie down, to stretch out
よこばい (n,vs) (1) sidewise crawl (e.g. of a crab), crawling sideways, (n) (2) (uk) leafhopper (insect), jassid, (3) (abbr) (uk) sidewinder (Crotalus cerastes), (4) levelling off, stabilizing
よこがお (n) face in profile, profile, face seen from the side
よこづな (n) yokozuna (sumo grand champion)
おうこう (n,vs,adj-no) (1) walking sideways, staggering, striding, (2) being rampant, being widespread, being prevalent
よこどり (n,vs) usurpation, snatching, seizure
よこて (n,adj-no) (1) side, beside, (2) feature of a sword blade
よこがき (n) writing horizontally
よこぎる (v5r,vt) to cross (e.g. road), to traverse
おうせん (n) horizontal line, abscissa
おうだん (n,vs,adj-no) (1) crossing, (adj-f) (2) transverse
おうだんほどう (n) pedestrian crossing
おうだんまく (n) banner strung across a street
おうちゃく (adj-na,n,vs) dishonesty, laziness, cunning
おうてん (n,vs) turning sideways, barrel roll
よこみち (n) (1) byway, side street, cross street, (2) wrong way, digression
よこはば (n) breadth, width
よこもじ (n) (1) European writing, cross-wise writing, (2) Western language
おうへい (adj-na,n) arrogance, haughtiness, insolence
おうぼう (adj-na,n) violence, oppression, high-handedness, tyranny, despotism
よこめ (n) sidelong glance
おうりょう (n,vs) usurpation, embezzlement, misappropriation

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字