What does water horse mean as follows:

Word Description:

⒈ ? An ancient legend of a strange beast born in the water.

Peake ? A kind of water strider. Body brown, white belly, two temples, four feet; often against the current stride, as fast as flying. Commonly known as water paddling insects.

? An alias for seahorse. See "Compendium of Materia Medica - Scale IV - Hippocampus".

⒋ ? A kind of fast boat. Mostly used for racing.

5? A water horse is a plastic shell obstacle used to divide the road or to form a barrier, usually a small top and a large bottom, with holes in the upper part to fill with water to increase the weight (so it is called a water horse, note: wooden or iron movable obstacles that cannot be filled with water are known as rejectors), and some of them also have horizontal holes so that they can be connected by rods to form a longer blocking chain or a blocking wall.

Cited explanation:

⒈ ? An ancient legend of a monster born in the water.

Citing the Classic of Mountains and Seas - North Mountain Scripture: "( 求如之山﹞ 滑水 出焉...... which is full of water horses, the shape of which is like a horse, the text of the arm of the cow's tail, and the sound of which is like a call."

Ming Jiang Yikui "Chang'an Guest Story - Shenxiao Palace": "Mud cow roaring moon empty long sigh, water horse hissing wind diffuse pity."

Peake ? A kind of water strider. Body brown, white belly, two temples, four feet; often against the current stride, as fast as flying. Commonly known as water rowing insects. See Ming Li Shizhen, "Compendium of Materia Medica - Insects IV - Water Strider".

Citing Tang Du Fu's "Forty Rhymes for the Release of Boats from Baidi City in the Spring of the Third Year of the Dali Calendar," he said, "The geese compete with the horses in the water, and the swallows go by the booms."

Qiu Zhao'ao Note: "[Water horses] cover shrimp and insects."

Song Han Qi's poem "On the Pool of the Liangshe Pavilion": "The scales of the swimmers are frightened to touch the fragrance of the green lotus, and the water horses have become a group of feet long."

3 ? Alias of seahorse. See "Compendium of Materia Medica - scales four - seahorses".

⒋ ? A kind of fast boat. It is mostly used for racing.

Citing the Southern Dynasty Liang Zong懔《荆楚岁时记》："May 5th ferry race ...... barge boat to take its lightness is called the mallard, a thought of the water army, a thought of the water horse."

"All Tang Poetry" Volume 796, "Noon Poetry": "Orchid soup ready to bathe in the transmission of Jing custom, the water horse floating river hanging Qu Soul."