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very feeble properties, said to be obtained from the root of a species of Convolvulus (C. Mechoacan); -- so called from Michoacan, in Mexico, whence it is obtained.

Pertaining to, or discovered by, J. F. Meckel, a German anatomist. Meckelian cartilage, the cartilaginous rod which forms the axis of the mandible; -- called also Meckel's cartilage.

A salt of meconic acid.

Pertaining to, or obtained from, the poppy or opium; specif. (Chem.), designating an acid related to aconitic acid, found in opium and extracted as a white crystalline substance.

An alkaloid found in opium, and extracted as a yellow amorphous substance which is easily decomposed.

ced by hydroids of the genus Gonothyræa. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel.

A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.

Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.

The contents of the fetal intestine; hence, first excrement.

A piece of metal in the form of a coin, struck with a device, and intended to preserve the remembrance of a notable event or an illustrious person, or to serve as a reward.

Play in which the score is reckoned by counting the number of strokes.

A small medal.

A person that is skilled or curious in medals; a collector of medals. Addison.

Of or pertaining to a medal, or to medals. "Our medallic history." Walpole.

A large medal or memorial coin.

The art of making and striking medals and coins. [Written also medallurgy.]

To mix; to mingle. [Obs.] More to know Did never meddle with my thoughts. Shak.

One who meddles; one who interferes or busies himself with things in which he has no concern; an officious person; a busybody.

Given to meddling; apt to interpose in the affairs of others; officiously intrusive. -- Med"dle*some*ness, n.

Meddlesome. Macaulay.