A gold-copper alloy used by the pre-Columbian cultures of Central America to make religious objects.

(swimming) A turn used to reverse the direction in which the person is swimming.

plural of tumble turn

simple past tense and past participle of rough and tumble

present participle of rough and tumble

(US, colloquial) Time spent by an infant in the prone position while awake and supervised, supposed to reduce the risk of skull deformation from spending too much time supine.

simple past tense and past participle of tumble to

Third-person singular simple present indicative form of tumble to

present participle of tumble to

(dated) diarrhea