What is "melon thistle"

Melon \Mel"on\ (m[e^]l"[u^]n), n. [F., fr. L. melo, for melopepo an apple-shaped melon, Gr. mhlope`pwn; mh^lon apple + pe`pwn a species of large melon; cf. L. malum apple. Cf. Marmalade.]

1. (Bot.) The juicy fruit of certain cucurbitaceous plants, as the muskmelon, watermelon, and citron melon; also, the plant that produces the fruit.

2. (Zo["o]l.) A large, ornamental, marine, univalve shell of the genus Melo. Melon beetle (Zo["o]l.), a small leaf beetle ( Diabrotiea vittata), which damages the leaves of melon vines. Melon cactus, Melon thistle.

   1. (Bot.) A genus of cactaceous plants ( Melocactus) having a fleshy and usually globose stem with the surface divided into spiny longitudinal ridges, and bearing at the top a prickly and woolly crown in which the small pink flowers are half concealed. Melocactus communis, from the West Indies, is often cultivated, and sometimes called Turk's cap.

   2. The related genus Mamillaria, in which the stem is tubercled rather than ribbed, and the flowers sometimes large. See Illust. under Cactus.

Thistle \This"tle\, n. [OE. thistil, AS. [thorn]istel; akin to D. & G. distel, OHG. distila, distil, Icel. [thorn]istill, Sw. tistel, Dan. tidsel; of uncertain origin.] (Bot.) Any one of several prickly composite plants, especially those of the genera Cnicus, Craduus, and Onopordon. The name is often also applied to other prickly plants.

Blessed thistle, Carduus benedictus, so named because it was formerly considered an antidote to the bite of venomous creatures.

Bull thistle, Cnicus lanceolatus, the common large thistle of neglected pastures.

Canada thistle, Cnicus arvensis, a native of Europe, but introduced into the United States from Canada.

Cotton thistle, Onopordon Acanthium.

Fuller's thistle, the teasel.

Globe thistle, Melon thistle, etc. See under Globe, Melon, etc.

Pine thistle, Atractylis gummifera, a native of the Mediterranean region. A vicid gum resin flows from the involucre.

Scotch thistle, either the cotton thistle, or the musk thistle, or the spear thistle; -- all used national emblems of Scotland.

Sow thistle, Sonchus oleraceus.

Spear thistle. Same as Bull thistle.

Star thistle, a species of Centaurea. See Centaurea.

Torch thistle, a candelabra-shaped plant of the genus Cereus. See Cereus.

Yellow thistle, Cincus horridulus.

Thistle bird (Zo["o]l.), the American goldfinch, or yellow-bird ( Spinus tristis); -- so called on account of its feeding on the seeds of thistles. See Illust. under Goldfinch.

Thistle butterfly (Zo["o]l.), a handsomely colored American butterfly ( Vanessa cardui) whose larva feeds upon thistles; -- called also painted lady.

Thistle cock (Zo["o]l.), the corn bunting ( Emberiza militaria). [Prov. Eng.]

Thistle crown, a gold coin of England of the reign of James I., worth four shillings.

Thistle finch (Zo["o]l.), the goldfinch; -- so called from its fondness for thistle seeds. [Prov. Eng.]

Thistle funnel, a funnel having a bulging body and flaring mouth.