Webster's Revised Unabridged Dictionary · 1913

Summer

Summer , noun

[From Sum, v.]

One who sums; one who casts up an account.

Summer , noun

[French sommier a rafter, the same word as sommier a beast of burden. See Sumpter.]

(Architecture) A large stone or beam placed horizontally on columns, piers, posts, or the like, serving for various uses. Specifically: (a) The lintel of a door or window. (b) The commencement of a cross vault. (c) A central floor timber, as a girder, or a piece reaching from a wall to a girder. Called also summertree.

Summer , noun

[Old English sumer, somer, Anglo-Saxon sumor, sumer; akin to OFries. sumur, Dutch zomer, Old Saxon sumar, German sommer, Old High German & Icelandic sumar, Danish sommer, Swedish sommar, Welsh haf, Zend hama, Sanskrit samā year. r292.]

The season of the year in which the sun shines most directly upon any region; the warmest period of the year.

North of the equator summer is popularly taken to include the months of June, July, and August. Astronomically it may be considered, in the northern hemisphere, to begin with the summer solstice, about June 21st, and to end with the autumnal equinox, about September 22d.

Collocations (15)
Indian summer , in North America, a period of warm weather late in autumn, usually characterized by a clear sky, and by a hazy or smoky appearance of the atmosphere, especially near the horizon. The name is derived probably from the custom of the Indians of using this time in preparation for winter by laying in stores of food.
Saint Martin's summer , See under Saint.
Summer bird (Zoology) , the wryneck. [Provincial English]
Summer colt , the undulating state of the air near the surface of the ground when heated. [English]
Summer complaint (Medicine) , a popular term for any diarrheal disorder occurring in summer, especially when produced by heat and indigestion.
Summer coot (Zoology) , the American gallinule. [Local, United States]
Summer cypress (Botany) , an annual plant (Kochia Scoparia) of the Goosefoot family. It has narrow, ciliate, crowded leaves, and is sometimes seen in gardens.
Summer duck (Zoology) , (a) The wood duck. (b) The garganey, or summer teal. See Illust. of Wood duck, under Wood.
Summer fallow , land uncropped and plowed, etc., during the summer, in order to pulverize the soil and kill the weeds.
Summer rash (Medicine) , prickly heat. See under Prickly.
Summer sheldrake (Zoology) , the hooded merganser. [Local, United States]
Summer snipe (Zoology) , (a) The dunlin. (b) The common European sandpiper. (c) The green sandpiper.
Summer tanager (Zoology) , a singing bird (Piranga rubra) native of the Middle and Southern United States. The male is deep red, the female is yellowish olive above and yellow beneath. Called also summer redbird.
Summer wheat , wheat that is sown in the spring, and matures during the summer following. See Spring wheat.
Summer yellowbird (Zoology) , See Yellowbird.

Summer , intransitive verb

To pass the summer; to spend the warm season; as, to summer in Switzerland.
The fowls shall summer upon them. — Isa. xviii. 6

Summer , transitive verb

To keep or carry through the summer; to feed during the summer; as, to summer stock.