Definition: A type of plant that has thick, fleshy leaves arranged in a rosette shape, commonly found in tropical regions of America.

Example: She has a beautiful collection of echeveria plants on her windowsill.

Definition: Describing something that is covered with spines or bristles, making it prickly to touch.

Example: The echinate plant had sharp spines that deterred animals from eating it.

Definition: A type of marine animal that has a symmetrical body and a hard internal skeleton, including creatures like starfish and sea urchins.

Example: The echinoderm is known for its unique ability to regenerate lost limbs.

Definition: Related to a group of marine animals that have a hard, spiny skin and include starfish and sea urchins.

Example: The echinodermatous species are known for their unique body structures and regenerative abilities.

Definition: A type of marine animal that belongs to the class of echinoderms, which includes creatures like sand dollars and sea urchins.

Example: The echinoid is often found on the ocean floor, where it plays a role in the marine ecosystem.

Definition: A type of sea creature known as a sea urchin, specifically from the genus Echinus, or a rounded architectural molding found beneath the top part of a Doric column.

Example: The echinus is often found in rocky coastal waters, where it plays a role in the marine ecosystem.

Definition: A type of marine worm that belongs to a specific group known for having a long, sensitive structure above their mouth.

Example: The echiuroid is often found in sandy or muddy ocean floors, where it burrows to hide from predators.

Definition: To make a sound that is repeated or reflected back, often in a way that can be heard again.

Example: The mountains echoed with the sound of our voices.

Definition: A sound that is reflected off a surface and heard again, or a similar effect in other contexts, such as a repetition of an idea or feeling.

Example: The mountains created an echo that made our voices sound much louder.

Definition: To repeat a sound by reflecting it off a surface, or to imitate something that has been said or done.

Example: The mountains echoed our laughter as we hiked through the valley.

Definition: A person or thing that repeats or reflects sound or information.

Example: The echoer in the canyon made our voices sound like they were bouncing back at us.

Definition: Having a quality that causes sounds to be reflected and repeated, creating an echo effect.

Example: The large empty hall had an echoey sound that made every voice seem amplified.