blush

Short definition from Wiktionary

Noun

1. 1
   An act of blushing; a pink or red glow on the face caused by embarrassment, shame, shyness, love, etc.
2. 2
   A glow; a flush of colour, especially pink or red.
3. 3
   A feeling or appearance of optimism.
4. 4
   A sort of makeup, frequently a powder, used to redden the cheeks.
5. 5
   A color between pink and cream.
6. 6
   A pale pink wine made by removing the dark grape skins at the required point during fermentation.
7. 7
   The collective noun for a group of boys.

Verb

1. 1
   To become red or pink in the face (and sometimes experience an associated feeling of warmth), especially due to shyness, love, shame, excitement, or embarrassment.
2. 2
   To be shy, ashamed, or embarrassed (to do something).
3. 3
   To become red or pink.
4. 4
   To suffuse with a blush; to redden; to pinken; to make rosy.
5. 5
   To change skin color in the face (to a particular shade).
6. 6
   To express or make known by blushing.
7. 7
   To have a warm and delicate colour, like some roses and other flowers.
8. 8
   To glance with the eye, cast a glance.
9. 9
   Of dope or varnish: to develop an undesirable white precipitate on the surface, due to being applied in humid conditions.