Meanings

red clover (Trifolium pratense)

vermilion

slip to cancel existing transactions

last train (of the day)

pond slider (Trachemys scripta)

Indian red admiral (Vanessa indica)

sudden increase (e.g. in ranking, popularity or sales)

sickle cell

painted lady (Vanessa cardui)

reticulocyte

turgite

Battle of Red Cliffs (208 CE)

red pigment

ear-reddening game

ear-reddening move

Red Army Faction

International Federation of the Red Cross

International Federation of Red Cross

Little Red Riding Hood

Anne of Green Gables (novel by L. M. Montgomery)