a conveyance that transports the letters and packages that are conveyed by the postal system
the system whereby messages are transmitted via the post office; "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"
the bags of letters and packages that are transported by the postal service
any particular collection of letters or packages that is delivered; "your mail is on the table"; "is there any post for me?"; "she was opening her post"
cause to be directed or transmitted to another place; "send me your latest results"; "I'll mail you the paper when it's written"
send via the postal service; "I'll mail you the check tomorrow"
a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
prepare (a metal) for soldering or brazing by applying a thin layer of solder to the surface
a United States coin worth one twentieth of a dollar
five dollars worth of a drug; "a nickel bag of drugs"; "a nickel deck of heroin"
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
any of various small butterflies of the family Lycaenidae having coppery wings
a reddish-brown color resembling the color of polished copper
a copper penny
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures"
a masonry fence (as around an estate or garden); "the wall followed the road"; "he ducked behind the garden wall and waited"
a layer of material that encloses space; "the walls of the cylinder were perforated"; "the container's walls were blue"
(anatomy) a layer (a lining or membrane) that encloses a structure; "stomach walls"
anything that suggests a wall in structure or function or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"; "negotiations ran into a brick wall"
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
a difficult or awkward situation; "his back was to the wall"; "competition was pushing them to the wall"