Merriam-Webster's Collegiate® Dictionary, 11th Edition
SHED
I. verb (shed; shedding)
Etymology: Middle English, to divide, separate, from Old English scēadan; akin to Old High German skeidan to separate, Latin scindere to split, cleave, Greek schizein to split Date: before 12th century transitive verb to set apart ; segregate , to cause to be dispersed without penetrating ,
3. to cause (blood) to flow by cutting or wounding, to pour forth in drops , to give off or out , to give off, discharge, or expel from the body of a plant or animal: as, to eject, slough off, or lose as part of the normal processes of life , to discharge usually gradually especially as part of a pathological process , to rid oneself of temporarily or permanently as superfluous or unwanted , intransitive verb to pour out ; spill , to become dispersed ; scatter , to cast off some natural covering (as fur or skin) , see: discard
II. noun
Date: 12th century
distinction , difference , something (as the skin of a snake) that is discarded in shedding, a divide of land,
III. noun
Etymology: alteration of earlier shadde, probably from Middle English shade shade
Date: 1557
1. a slight structure built for shelter or storage, a building that resembles a shed, hut , shedlike adjective
IV. transitive verb (shedded; shedding)
Date: 1850
to put or house in a shed