mail1
  
  n.
 letters and parcels sent by post. 
▸
(N. Amer. & W. Indian also the mails)
 the postal system.
 ▸Computing  email.
v.
 send by post. 
▸Computing  send email to.
Derivative
  
  Etymology
  ME (in the sense ‘travelling bag’): from OFr. male ‘wallet’, of W. Gmc origin.
 
  
    
mail2
  
  n.
  - historical armour made of metal rings or plates joined together flexibly.
- the protective shell or scales of certain animals.
v.
 
[
often as adj. mailed]
 clothe or cover with mail.
Etymology
  ME: from OFr. maille, from L. macula ‘spot or mesh’.