a similarity between like features of two things, on which a comparison may be based:
the analogy between the heart and a pump.
similarity or comparability:
I see no analogy between your problem and mine.
Biology. an analogous relationship.
the process by which words or phrases are created or re-formed according to existing patterns in the language, as when shoon was re-formed as shoes, when -ize is added to nouns like winter to form verbs, or when a child says foots for feet.
a form resulting from such a process.
Logic. a form of reasoning in which one thing is inferred to be similar to another thing in a certain respect, on the basis of the known similarity between the things in other respects.
Most espionage fiction of recent years bears a conscious analogy to a chess game.
The greatest danger to a speculative biologist is analogy.
The analogy of a high-wire walker inspires women to find order in their lives.
The analogy is not just surface-deep.
Consider the analogy of a plane that is tangent to a sphere.
She drew an analogy between this enterprise and the local infatuation with all things 80's.
The analogy between cars and computers can't be taken too far.
Consider a frivolous analogy to cookie-baking.
The advantage of a sports analogy is respect for accurate reporting of facts.
British Dictionary definitions for analogy
noun (pl) -gies
agreement or similarity, esp in a certain limited number of features or details
a comparison made to show such a similarity: to draw an analogy between an atom and the solar system
(biology) the relationship between analogous organs or parts
(logic, maths) a form of reasoning in which a similarity between two or more things is inferred from a known similarity between them in other respects
(linguistics) imitation of existing models or regular patterns in the formation of words, inflections, etc: a child may use ``sheeps'' as the plural of ``sheep'' by analogy with ``dog'', ``dogs'', ``cat'', ``cats'', etc
1540s (perhaps early 15c.), from Old French analogie or directly from Latin analogia, from Greek analogia "proportion," from ana- "upon, according to" (see ana-) + logos "ratio," also "word, speech, reckoning" (see logos). A mathematical term used in a wider sense by Plato.
A comparison of two different things that are alike in some way (seemetaphorandsimile). An analogy attributed to Samuel Johnson is: “Dictionaries are like watches; the worst is better than none, and the best cannot be expected to go quite true.”