Synonym: correspondence, dispatch, post, send. Similar words: remain, domain, mainly, in the main, remaining, mainstream, jail, nail. Meaning: [meɪl] 
n. 1. the bags of letters and packages that are transported by the postal service 2. the system whereby messages are transmitted via the post office 3. a conveyance that transports the letters and packages that are conveyed by the postal system 4. any particular collection of letters or packages that is delivered 5. (Middle Ages) flexible armor made of interlinked metal rings. v. 1. send via the postal service 2. cause to be directed or transmitted to another place.
n. 1. the bags of letters and packages that are transported by the postal service 2. the system whereby messages are transmitted via the post office 3. a conveyance that transports the letters and packages that are conveyed by the postal system 4. any particular collection of letters or packages that is delivered 5. (Middle Ages) flexible armor made of interlinked metal rings. v. 1. send via the postal service 2. cause to be directed or transmitted to another place. 
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61. It was sent to us by express mail.
62. Send it by first-class mail.
63. I often buy clothes by mail order.
64. My reply is in the mail.
65. She checked her mail before leaving the hotel.
66. I'll put the check in the mail tomorrow.
67. Direct sales, by mail order,(http://sentencedict.com/mail.html) were up by 15%.
68. A pleasant surprise awaits him in today's mail.
69. Our letters must have crossed in the mail .
70. We've been almost buried under the avalanche of mail.
71. She was inundated by floods of fan mail.
72. Deliveries of mail could be delayed because of cost-cutting.
73. I sat down to open my post/mail.
74. I'll put it in the mail for you today.
75. Mail is backing up at the post office.
76. A packet of photographs arrived with the mail.
77. She spent the morning reading and answering her mail.
78. Don't forget to mail that letter to your mother.
79. We get a lot of junk mail.
80. Ask John to mail those letters tomorrow.
81. I sat down to open the mail.
82. Is there a letter from them in the mail?
83. Please forward my mail to me.
84. All of our customers will be contacted by mail.
85. I've just come out to mail some letters.
86. The book came in yesterday's mail.
87. Mail is delivered to our office twice a day.
88. The mail was sorted and pouched by 6 a.m.
89. Pick up your mail on the way out.
90. The mail here's really slow and unreliable.