back . ( Of the lat. ) late ( spatula , scapula). 1. f. back part of the human body, from shoulders to the waist. U t. in pl. with the same meaning as in sing. It is used also talking about some animals, but not so commonly. 2. f. back of the trunk of an animal. 3. f. part of clothing that corresponds to the back. 4. f. back side of a building. The film is on the back of the Museum. U t. in pl. with the same meaning as in sing. 5. f. Dep. Style of swimming similar to the front crawl, but with the back down. 6. f. ant. containing (? containment barrier). 7. f. pl. its. Armored Corps that protects the rear of an expedition. back wet. 1. com. Person from Mexico passes or intends to move illegally the border towards the United States. 2. com. Person who enters or intends to enter illegally in a country, passing through or n sea or a river. back Miller, s or back s of Baker. 1. f. pl. coloqs. The broad, large and strong. a back s. 1. loc. Advisor. With abandonment or voluntary oblivion of a custom, business concern or duty. Leave, throw, put, having behind him. a back s of someone. 1. loc. Advisor. In his absence, s in knowing, hidden from him. a back s laps. 1. loc. Advisor. To treason, for behind and not face to face. to the back s. 1. loc. Advisor. to back. fall, or fall, of back s. 1. locs. verbs. To see or be much surprised. uploaded back s. 1. loc. adj. said of a person: presenting a convexity exaggerated in the spinal column. give someone 's back s. 1. loc. verb. Falling mouth above. give somebody the back or the back s. 1. locs. verbs. Return back to the enemy, flee from him. Darla back to someone or something. 1. loc. verb. Snubbing it, ignore it, disregard it. I wanted to say hello and he gave me back. Turn the back on the honors. de back , o de espalda s. 1. locs. income. Introducing the back. They appear always behind him. 2. locs. income. With her back towards the sense of progress. Leaves behind him.