lump

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An irregularly shaped mass or piece.
• noun A small cube of sugar.
• noun Medicine A swelling or small palpable mass.
• noun A collection or totality; an aggregate.
• noun A person regarded as ungainly or dull-witted.
• noun Severe punishment or treatment, as a beating or an unsparing criticism.
• noun One's just deserts; comeuppance.
• adjective Formed into lumps.
• adjective Not broken or divided into parts.
• intransitive verb To put together in a single group without discrimination.
• intransitive verb To move with heavy clumsiness.
• intransitive verb To make into lumps.
• intransitive verb To become lumpy.
• intransitive verb To move heavily.
• idiom (lump in (one's) throat) A feeling of constriction in the throat caused by emotion.
• transitive verb To tolerate (what must be endured).

from The Century Dictionary.

• To make into a mass; combine in a body or gross sum without distinction of particulars.
• To take in the lump, or collectively in the gross; consider or dispose of in the gross.
• To beat severely.
• To act as a lumper; be employed in loading or unloading ships, as a stevedore.
• noun The lump-fish.
• To look sullen or glum; sulk.
• noun A small mass; a relatively small aggregation or conglomeration of solid matter without regular form: as, a lump of ore, clay, or dough; to melt a number of coins into one lump.
• noun A protuberant part; a knob, bunch, or swelling: as, a lump raised on the head by a blow.
• noun A blow.
• noun A dull, stolid person.
• noun In firearms
• noun The nipple-seat on the barrel.
• noun In a break-joint breech-loader, an iron block on the barrel which descends into a recess in the action.
• noun A bloom or loupe of malleable iron.
• To take without choice; take “anyhow”: a word in itself of no definite signification, used in the expression “if you don't like it, you may lump it.”
• noun In mining, a coarse fragment of ore, coal, phosphate rock, or any useful mineral, as contrasted with the fines, spalls, or otherwise designated smaller pieces.
• Noting the coarser grade of bituminous coal which is picked out as it comes from the mine.
• To appear larger by aggregation; bulk: as, he lumped large in public imagination.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To throw into a mass; to unite in a body or sum without distinction of particulars.
• intransitive verb To take in the gross; to speak of collectively.
• intransitive verb Low To get along with as one can, although displeased.
• noun A small mass of matter of irregular shape; an irregular or shapeless mass
• noun A mass or aggregation of things.
• noun (Firearms) A projection beneath the breech end of a gun barrel.
• noun the whole together; in gross.
• noun coal in large lumps; -- the largest size brought from the mine.
• noun a single sum paid once in satisfaction of a claim, as contrasted with the alternate choice of several payments over a period of time; -- sometimes allowed, e.g., as an alternative to periodical pension payments for a lifetime.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Something that protrudes, sticks out, or sticks together; a cluster or blob; a mound, hill, or group.
• noun A group, set, or unit.
• noun A small, shaped mass of sugar, typically about a teaspoonful.
• noun A dull or lazy person.
• noun informal, as plural A beating or verbal abuse.