What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
Definition of phyllome in English:
phyllome
noun
BotanyA leaf; a plant organ resembling a leaf; specifically an organ homologous with a leaf or regarded as a modified leaf (as a sepal, petal, stamen, carpel, bract, etc.).
Origin
Mid 19th century (in an earlier sense). From phyllo- + -ome.
