Collins English-English Dictionary

amber ['æmbə]

1. 1. n

2. 2. n a yellow or yellowish-brown hard translucent fossil resin derived from extinct coniferous trees that occurs in Tertiary deposits and often contains trapped insects. It is used for jewellery, ornaments, etc

3. 3. n (as modifier)

   an amber necklace

4. 4. n

5. 5. n a medium to dark brownish-yellow colour, often somewhat orange, similar to that of the resin

6. 6. n (as adjective)

   an amber dress

7. 7. n an amber traffic light used as a warning between red and green

8. 8. n [Etymology] C14: from Medieval Latin ambar, from Arabic `anbar ambergris