graduated

from The Century Dictionary.

• Specifically, in ornithology, having the tail moderately pointed, the tail-feathers regularly decreasing in length from the center pair outward.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Marked with, or divided into, degrees; divided into grades.
• adjective (Zoöl.) Tapered; -- said of a bird's tail when the outer feathers are shortest, and the others successively longer.
• adjective Having visible marks and numbers at vertical intervals, permitting one to estimate the quantitity of material contained; -- of vessels, most commonly those used in laboratories for containing liquids. See graduated cylinder, etc., below.
• adjective a vessel, usually of glass, having horizontal marks upon its sides, with figures, to indicate the amount of the contents at the several levels.
• adjective (Railroads) a combination of metallic and rubber springs.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Simple past tense and past participle of graduate.
• adjective obsolete In steps.
• adjective Having a university degree; having completed training.
• adjective Marked with graduations.
• adjective Arranged by grade, level, degree.
• adjective taxation Increasing in rate with the taxable base.
• adjective ornithology Of a tail, having successively longer feathers towards the middle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective marked with or divided into degrees
• adjective taking place by degrees