1. fourth (in a series)

2. fourth, quarter (one of four equal divisions of a whole)

a. quarter-hour (one of four equal divisions of an hour)

b. watch (one of the four approximately equal divisions of the night, especially for shifts of watchmen) (historical)

c. watch (one of the four equal divisions of soldiers, guards, police, &c. for routine patrols) (military)

d. English or American quart (a unit of liquid measure equal to ¹⁄₄ galón, equivalent to about 0.95 L)

e. cuarto, quarter-sack (a traditional unit of dry measure equal to ¹⁄₄ saco, equivalent to about 27.8 L) (historical)

f. quarter (one of the four main divisions of the body of quadrapeds and birds)

g. quarter (one of the four main divisions of the body of criminals for public display) (historical)

h. quarter (one of four main pieces of cloth used to tailor a garment) (sewing)

i. quarter (one of the four main phases of a heavenly body as it waxes and wanes in the sky) (astronomy)

j. line, lineage (any of the four main lines of ancestry through one's various grandparents) (genealogy)

3. quarters (various structures used for dwelling)

a. synonym of sala (“room”)

b. synonym of habitación (“bedroom”)

c. synonym of piso (“apartment”)

4. watch, shift (the time that a soldier, guard, police, etc. spends on patrol)

5. lot (a piece of real estate, especially one of the divisions of a large piece of land being put to sale)

6. service (particularly to a king or queen)

7. well-proportioned limbs (especially in discussion of art and horses) (chiefly in the plural)

8. cuarto (a former copper Spanish coin) (historical)

9. synonym of dinero (“money”) (Andalusia, Dominican Republic, slang, in the plural)

10. synonym of dinero (“a fortune”) (slang, in the plural)