[koun-ter-roh-tey-ting, koun-] /ˈkaʊn tərˈroʊ teɪ tɪŋ, ˌkaʊn-/
(of two corresponding or similar moving parts) rotating in opposite directions:
[koun-ter-skahrp] /ˈkaʊn tərˌskɑrp/ noun, Fortification. 1. the exterior slope or wall of the ditch of a fort, supporting the covered way. /ˈkaʊntəˌskɑːp/ noun 1. (fortifications) the outer side of the ditch of a fort Compare escarp (sense 1)
[koun-ter-shey-ding] /ˈkaʊn tərˌʃeɪ dɪŋ/ noun, Zoology. 1. the development of dark colors on parts usually exposed to the sun and of light colors on parts usually shaded, especially as serving for protection or concealment. /ˌkaʊntəˈʃeɪdɪŋ/ noun 1. (in the coloration of certain animals) a pattern, serving as camouflage, in which dark colours occur on parts […]
[koun-ter-shaft, -shahft] /ˈkaʊn tərˌʃæft, -ˌʃɑft/ noun, Machinery. 1. (def 1). /ˈkaʊntəˌʃɑːft/ noun 1. an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train
countershock coun·ter·shock (koun’tər-shŏk’) n. An electric shock that is applied to the chest to restore normal rhythm of the heart.