Collins English-English Dictionary

dog [dɑg]

1. 1. n a domesticated canine mammal, Canis familiaris, occurring in many breeds that show a great variety in size and form

2. 2. n (as modifier)

   dog biscuit

3. 3. n any other carnivore of the family Canidae, such as the dingo and coyote

4. 4. n (as modifier)

   the dog family

5. 5. n the male of animals of the dog family

6. 6. n (as modifier)

   a dog fox

7. 7. n [modifier] spurious, inferior, or useless

   dog Latin

8. 8. n (in combination)

   dogberry

9. 9. n a mechanical device for gripping or holding, esp one of the axial slots by which gear wheels or shafts are engaged to transmit torque

10. 10. n [informal] a fellow; chap

    you lucky dog

11. 11. n [informal] a man or boy regarded as unpleasant, contemptible, or wretched

12. 12. n [US] [informal] a male friend: used as a term of address

13. 13. n [slang] an unattractive or boring girl or woman

14. 14. n [US and Canadian] [informal] something unsatisfactory or inferior

15. 15. n short for firedog

16. 16. n any of various atmospheric phenomena - See fogdog seadog sundog

17. 17. vt. [tr] to pursue or follow after like a dog

18. 18. vt. to trouble; plague

    to be dogged by ill health

19. 19. vt. to chase with a dog or dogs

20. 20. vt. to grip, hold, or secure by a mechanical device

21. 21. adv [usually in combination] thoroughly; utterly

    dog-tired

22. 22. adv See also dogs

23. 23. adv [Etymology] Old English docga, of obscure origin