Cooker part (4)
(Other definitions for hob that I've seen before include "Hot-plate" , "Cooking surface" , "Small goblin" , "Cooking appliance" , "Top of one of 8 down" .)
(Other definitions for oven that I've seen before include "Small furnace" , "Kiln, cooker" , "Kitchen range, say" , "Compartment for heating" , "Section of a cooker" .)