smat·ter 
(smătər)
(smătər)v. smat·tered, smat·ter·ing, smat·ters
v.tr.
1. To speak (a language) without fluency: smatters Russian.
2. To study or approach superficially; dabble in.
v.intr.
To prattle: smattered on about her vacation.
n.
A smattering.
[Middle English smateren, to make dirty, speak foolishly, chatter.]
smatter·er n.