Avery, a corruption of Avenery:  the office of the avener, a chief officer of the stable, who had charge of provender for horses.  Source: OED. 

Bare, Bare Measure:  Delivered without ingrain (see below).  Source: OED. 

Calsey / Causey:  A causeway or highway.  Source: OED, s.v. 'causey' 3.a. 

Car-Room:  The City granted the Company of Carmen license to control the assignment of ‘carrooms’, places in the City for carts to stand and ply for hire, in other words licences to trade.  Woodmongers also had carts, and the City granted them licences as well.  The Carmen ceded their privilege to Christ's Hospital, and paid fees to the School, though the number of carts and ‘carrs’ plying for hire within the City was limited by Common Council.  But by 1605 the Carmen and the Hospital had fallen out, and the Woodmongers secured a charter, which regulated ‘carrooms’ and Carmen until 1665, when Christ's Hospital took over again.  Source: Carmen. 

Fat:  A quarter of a chaldron.  Source: OED. 

Hatchel:  An instrument for combing flax or hemp.  Source: OED. 

Ingrain:  A quarter of a chaldron of coal given in for every five chaldrons purchased.  Source: OED. 

Lorimer:  One who makes bits and metal fastenings for horses' bridles.  A lorimer can also be a spurrier.  More generically, a maker of small iron ware and a worker in wrought-iron.  Source: OED. 

Scavage:  Formerly a toll levied by the City of London, but after 1503 soil or refuse collected by a scavager or scavenger.  Source: OED, s.v. 'scavage'.  For more on 'scavenger', see here.

Scavel-Man:  A digger or ditcher; a shovel-man.  Source: OED, s.v. 'scavel' C.2.