Definition: The dried roots of a plant known as Seneca snakeroot, which are used in medicine to help clear mucus from the airways.

Example: The herbalist recommended senega for its expectorant properties to help with my cough.

Definition: To grow old or to reach an advanced stage of development.

Example: As plants senesce, their leaves may change color and fall off.

Definition: The process of growing old or the condition of being old, often involving changes in cells and tissues over time.

Example: The senescence of the cells in the body can lead to various age-related diseases.

Definition: A basic sensory structure found in some invertebrates, made up of one or a few cells, that helps them detect their environment.

Example: The insect used its sensillum to sense the presence of food nearby.

Definition: A person or thing that watches over or protects a place, often serving as a guard or lookout.

Example: The sentinel stood at the entrance, ensuring that no one entered without permission.

Definition: To place someone or something in a position to watch over or protect an area.

Example: The soldiers were sent to sentinel the border against any intruders.

Definition: A part of a flower that is usually green and helps protect the developing bud. It is one of the leaves that make up the outer part of the flower.

Example: The sepal protects the flower bud before it blooms.

Definition: Describing a plant or flower that has one or more protective leaf-like structures at its base.

Example: The sepaled flower bloomed beautifully in the garden.

Definition: Describing something that is related to or has the characteristics of sepals, which are the outer parts of a flower that protect the petals.

Example: The sepaline structure of the flower helps to shield its delicate petals from damage.

Definition: Having a shape or characteristics similar to a sepal, which is the part of a flower that protects the petals.

Example: The sepaloid structures of the plant provided additional protection for the developing flowers.

Definition: Relating to or having sepals, which are the outer parts of a flower that protect the petals.

Example: The sepalous structure of the flower helps to shield its delicate petals from damage.