(verb) 1. to work effectively; 2. to perform surgery

(noun) 1. a current of water or air moving in a motion different from the common flow, often in a circle; 2. a whirlwind or whirlpool

(adjective) 1. given in return; 2. shared by both sides; mutual

(noun) 1. a complaint; 2. a cause for protest

(noun) a facial expression showing pain, sadness, or disgust

(adjective) of, in, or about a major city

(adjective) 1. soft and rich, such as light, sound, or color; 2. relaxed or free of tension

(verb) 1. to set apart; 2. to hide from view

(noun) shrubs or small trees growing closely together

(noun) 1. anything that moves in a violent, swelling manner; 2. a sudden powerful rush or burst; (verb) 1. to move in a swelling way; 2. to rise and fall violently

(verb) to direct attention to some source for help or information

(adjective) first or most important; (noun) a prime minister