Boundary

• POS: Noun
• HYPHEN: bound=a=ry

CIDE DICTIONARY

Boundary, n. [From Bound a limit; cf. LL. bonnarium piece of land with fixed limits.].

 That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.  [1913 Webster]
"But still his native country lies
Beyond the boundaries of the skies."  [1913 Webster]
" That bright and tranquil stream, the boundary of Louth and Meath."  [1913 Webster]
"Sensation and reflection are the boundaries of our thoughts."  [1913 Webster]

Syn. -- Limit; bound; border; term; termination; barrier; verge; confines; precinct.

OXFORD DICTIONARY

Boundary, n. (pl. -ies)
1 a line marking the limits of an area, territory, etc. (the fence is the boundary; boundary between liberty and licence).
2 Cricket a hit crossing the limits of the field, scoring 4 or 6 runs.

Idiom

boundary layer the fluid immediately surrounding an object that is immersed and moving. boundary rider Austral. & NZ a person employed to ride round the fences etc. of a cattle or sheep station and keep them in good order. boundary umpire (in Australian Rules) an umpire on the sidelines who signals when the ball is out.

Etymology

dial. bounder f. BOUND(2) + -ER(1) perh. after limitary

DEVIL DICTIONARY

Boundary

n. In political geography, an imaginary line between two nations, separating the imaginary rights of one from the imaginary rights of the other.

THESAURUS

Boundary

Thule, Ultima Thule, ankle, articulation, balustrade, barrier, bisector, bitter end, border line, bordering, borderline, borders, bottom dollar, bound, boundary condition, boundary line, bounding, bounds, bourn, break boundary, breakoff point, butt, butt end, caesura, caudal, ceiling, cervix, circumscription, clinch, closure, coastal, colon, comma, compass, conclusive, confine, confinement, confines, connecting link, connecting rod, connection, continence, coupling, cutoff, cutoff point, deadline, definitive, delimitation, determinant, determinative, determining, diameter, discipline, divider, division line, dovetail, elbow, embrace, end, endmost, equator, eventual, extreme, extremity, fag end, farthest, farthest bound, fence, final, finish, floor, fringing, frontier, frontiers, gliding joint, halfway mark, hedge, high-water mark, hinge, hinged joint, hip, interface, join, joining, joint, jumping-off place, juncture, knee, knuckle, last, limbic, limen, liminal, limit, limitation, limiting, limiting factor, limits, line, line of demarcation, link, littoral, low-water mark, lower limit, march, marginal, mark, mete, miter, moderation, mortise, neck, nib, partition, pause, perimeter, period, pivot, pivot joint, point, polar, pole, precincts, prescription, proscription, purlieus, qualification, rabbet, rail, railing, restrain, restriction, rimming, scarf, seam, semicolon, shoulder, skirting, start, starting line, starting point, stitch, stone wall, stop, stub, stump, suture, symphysis, tag, tag end, tail, tail end, target date, term, terminal, terminal date, terminating, terminative, terminus, threshold, tie rod, time allotment, tip, toggle, toggle joint, ultimate, union, upper limit, wall, weld, wrist

ROGET THESAURUS

Boundary

Limit

N limit, boundary, bounds, confine, enclave, term, bourn, verge, curbstone, but, pale, reservation, termination, terminus, stint, frontier, precinct, marches, backwoods, boundary line, landmark, line of demarcation, line of circumvallation, pillars of Hercules, Rubicon, turning point, ne plus ultra, sluice, floodgate, definite, conterminate, conterminable, terminal, frontier, bordering, thus far, thus far and no further, stick to the reservation, go beyond the pale, Special.