a·cer·vu·lus 
(ə-sûrvyə-ləs)
(ə-sûrvyə-ləs)n. pl. a·cer·vu·li (-lī′)
A small cushionlike structure produced by certain parasitic fungi, containing a mass of asexually produced spores.
[New Latin, diminutive of Latin acervus, heap.]
- working fluid
- working girl
- workingman
- working memory
- working papers
- working substance
- workingwoman
- work in progress
- work into
- work like a charm
- workload
- workman
- workmanlike
- workmanship
- workmen's compensation
- work of art
- work off
- work (one's) fingers to the bone
- work one's fingers to the bone
- work out
- workout
- work over
- workpeople
- workplace
- work release