کلماتور
An order of small myriapods having only nine pairs of legs and destitute of tracheae.
A leap in which a person turns his heels over his head and lights upon his feet; a turning end over end. [Written also summersault, sommerset, summerset, etc.] "The vaulter's sombersalts." Donne. Now I'll only Make him break his neck in doing a sommerset. Beau. & Fl.