lenticel
noun
len·ti·cel ˈlen-tə-ˌsel 
: a loose aggregation of cells which penetrates the surface (as of a stem) of a woody plant and through which gases are exchanged between the atmosphere and the underlying tissues
Example Sentences
Recent Examples on the Web Decades later, the fruit of their labors is ready for picking: apple variety WA38, better known as the Cosmic Crisp, thanks to a starry pattern on its skin formed by small pores called lenticels. 
Mahita Gajanan, Time, 19 Sep. 2019
Mahita Gajanan, Time, 19 Sep. 2019 Word History
Etymology
New Latin lenticella, diminutive of Latin lent-, lens lentil
First Known Use
circa 1864, in the meaning defined above
- take the bull by the horns
- take the cake
- take the chill off
- take the count
- take the credit
- take the day off
- take the easy way out
- take the edge off
- take the field
- take the fifth
- take the floor
- take the good with the bad
- take the helm
- take the hint
- take the initiative
- take the law into one's own hands
- take the lead
- take the liberty of
- take the line of least resistance
- take the long view
- take the measure of
- take the measure of someone
- take the mickey
- take the mickey (out of someone)
- take the mickey out of