penknife
Longman Dictionary of Contemporary English 5++LDOCE 5++pen·knife /ˈpen-naɪf/ noun (plural penknives /-naɪvz/) [countable]
DTZa small knife with blades that fold into the handle, usually carried in your pocket 折叠式小刀 SYN jackknife →5 see picture at 见图 knife1
Examples from the Corpus
penknife• He laid the telephone and torch back on the table then probed delicately with the end of a penknife.• While waiting he brought out a penknife and began whittling away a table-top.• Billy used his penknife to fashion a needle sharp point on each of the sticks.• I think Mum worried that I might run amok and stick my penknife straight into Katie.• His scars were tourist penknife doodles.pen·knife nounChineseSyllable
with a usually knife that blades fold handle, into Corpus small the
penknife
pen‧knife /ˈpen-naɪf/
noun (plural penknives /-naɪvz/) [countable]

a small knife with blades that fold into the handle, usually carried in your pocket
SYN jackknife
pen‧knife /ˈpen-naɪf/
noun (plural penknives /-naɪvz/) [countable]
a small knife with blades that fold into the handle, usually carried in your pocket
SYN jackknife
