Acorn
1. (Science: botany) The fruit of the oak, being an oval nut growing in a woody cup or cupule.
2. A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
Origin: as. Aecern, fr. Aecer field, acre; akin to D. Aker acorn, Ger. Ecker, Icel. Akarn, dan. Agern, goth. Akran fruit, akrs field; orig. Fruit of the field.
Dictionary > Acorn
You will also like...
![Fossil trilobite imprint in the sediment](https://www.biologyonline.com/wp-content/uploads/2020/02/Insects-252x168.jpg)
Insects
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
![Biological Cell schematic diagram](https://www.biologyonline.com/wp-content/uploads/2020/02/Biological-Cell-Introduction-223x168.jpg)
Biological Cell Introduction
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
![DNA molecule](https://www.biologyonline.com/wp-content/uploads/2020/02/Genetic-Control-On-and-Off-Genes-252x168.jpg)
Genetic Control – On and Off Genes
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
![Still Water Community Plants](https://www.biologyonline.com/wp-content/uploads/2020/02/Still-Water-Community-Plants-252x168.jpg)
Still Water Community Plants
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
![Freshwater Ecology](https://www.biologyonline.com/wp-content/uploads/2020/02/Freshwater-Ecology-300x168.jpg)
Freshwater Ecology
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
![An artist depiction of a Precambrian multicellular life form.](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Evolution-of-Cell-Organelles-224x168.jpg)
The Evolution of Cell Organelles
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..