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hay fever a condition marked by a runny nose, sneezing, and headache that is caused by an allergy to plant pollen.
hayloft the upper part of a barn or stable, used for storing hay.
haystack a large pile of hay stacked outdoors.
hazard danger or risk. [4 definitions]
hazardous full of danger; having great or many risks.
haze1 mist, smoke, or dust in the air, making it hard to see.
hazel a shrub or small tree that bears brown nuts that can be eaten. [5 definitions]
hazy marked or clouded by haze; misty. [2 definitions]
H-bomb a very powerful bomb that releases energy by nuclear fusion. "H-bomb" is short for hydrogen bomb.
He symbol of the chemical element helium.
he1 the male human being or animal that is being discussed or was recently referred to. [3 definitions]
head the top or leading part of an animal body. In vertebrates the head contains the brain, eyes, nose, ears, and mouth. In invertebrates, the head contains eyes, mouth parts, and other organs. [10 definitions]
headache a pain in the head. [2 definitions]
headband a band worn around the head. Headbands are used to hold back the hair or to soak up wetness.
headdress a covering or decoration for the head.
headfirst with the head in front of the body.
heading a word or group of words at the top or front of a piece of writing; title.
headland a high piece of land that sticks out into a body of water.
headlight a bright light on the front of a vehicle.
headline the title to a newspaper article that tells what the article is about. The headline for the most important news is in the largest type on the front page of the paper. [2 definitions]
headlong with the head first. [4 definitions]