ankle, articulation, border line, bound, boundary, boundary condition, boundary line, bourn, break boundary, breakoff point, butt, ceiling, cervix, circumscription, clinch, closure, compass, confine, connecting link, connecting rod, connection, coupling, cutoff, cutoff point, deadline, delimitation, determinant, division line, dovetail, elbow, embrace, end, extremity, finish, floor, frontier, gliding joint, hedge, high-water mark, hinge, hinged joint, hip, join, joining, joint, juncture, knee, knuckle, limen, limit, limitation, limiting factor, line, line of demarcation, link, low-water mark, lower limit, march, mark, mete, miter, mortise, neck, pivot, pivot joint, rabbet, scarf, seam, shoulder, start, starting line, starting point, stitch, suture, symphysis, target date, term, terminal date, terminus, threshold, tie rod, time allotment, toggle, toggle joint, union, upper limit, weld, wrist