trace, draw, line, delineate, describe - make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand"

circumscribe - to draw a geometric figure around another figure so that the two are in contact but do not intersect

hold down - restrain; "please hold down the noise so that the neighbors can sleep"

keep down, number - place a limit on the number of

cap - restrict the number or amount of; "We had to cap the number of people we can accept into our club"

curtail, restrict, curb, cut back - place restrictions on; "curtail drinking in school"

minify, decrease, lessen - make smaller; "He decreased his staff"

delimitate, demarcate, delimit - set, mark, or draw the boundaries of something

content - satisfy in a limited way; "He contented himself with one glass of beer per day"

ration - restrict the consumption of a relatively scarce commodity, as during war; "Bread was rationed during the siege of the city"

geometry - the pure mathematics of points and lines and curves and surfaces

trace, draw, line, delineate, describe - make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand"

circumscribe - draw a line around; "He drew a circle around the points"