머리 부상을 막기 위해 착용하는 단단하거나 패딩 처리된 보호용 덮개.
A hard or padded protective covering worn on the head to prevent injury, commonly used in sports, construction, or combat.
예문:
"Always wear a bicycle helmet when riding to minimize the risk of head trauma."
"The construction worker adjusted his bright yellow helmet before entering the site."
"Ancient Greek soldiers wore bronze helmets often decorated with plumes."
특정 꽃, 특히 민트과나 난초과 꽃의 화관에서 투구 모양으로 굽은 윗부분.
The arched upper petal or sepal (galea) of the corolla in certain flowers, particularly those belonging to the mint and orchid families, resembling a protective hood.
예문:
"The helmet of the monkshood flower protects the reproductive organs inside."
"Botanists study the structure of the helmet to classify different species of orchids."
열대 및 온대 바다에 서식하며 무겁고 뭉툭한 껍데기를 가진 대형 포식성 복족류.
A common name for a large, predatory marine gastropod mollusk (family Cassidae), characterized by a heavy, squat shell often used for crushing prey like sea urchins.
예문:
"The queen helmet shell is highly prized by collectors for its size and intricate patterns."
"Helmets use their strong shells to break open the hard defenses of sea urchins."