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From Lojban to English :
Word: torxesu [jbovlaste]
Type: fu'ivla
Gloss Word: torus in the sense of "mathematically focused"
Definition: x1 is a torus of genus x2 (li; nonnegative integer), having x3
(li; nonnegative integer) distinct cusps, and with other
properties/characteristics x4, by standard/in sense x5; x1 is
an x2-fold torus.
Notes: The contextless default for x3 is probably 0. A coffee mug is a
1-fold torus by the standard of topology but not by the
standard of geometry. x2 can be only a nonnegative integer or
some sort of infinity. See also: cukydjine, where the
material properties and realization of the (physical) object
matter. $x_2 = 0, x_3 = 1$ means that x1 is a horn(ed) torus
(the cross-section with the two circles has them intersecting
at exactly 1 point); $x_0 = 1, x_3 = 2$ means that x1 is a
spindle torus (the cross-section with the two circles has them
intersecting at exactly 2 points); $x_2 = 0, x_3 =$ ro means
that x1 is a sphere (the cross-section with the two circles has
them intersecting at all of their points (which also is
uncountably infinitely many) so that they are mutually
indistinguishable); $x_2 = 1, x_3 = 0$ means that x1 is a
standard/basic torus (the cross-section with the two circles
has them intersecting at exactly 0 points; the result is a
classic 'donut' shape).