[haf-hol-i-dey, hahf-] /ˈhæfˈhɒl ɪˌdeɪ, ˈhɑf-/
a holiday limited to half a working day or half an academic day.
noun 1. short hose; socks.
adjective 1. having or expressing some hope
[haf-ouuh r, -ou-er, hahf-] /ˈhæfˈaʊər, -ˈaʊ ər, ˈhɑf-/ noun 1. a period of 30 minutes. 2. the midpoint between the hours: The clock struck on the half-hour. adjective 3. of, relating to, or consisting of a half-hour: half-hour programs. noun 1. 2. early 15c., from half + hour. Related: Half-hourly.
[haf-ouuh r-lee, -ou-er-, hahf-] /ˈhæfˈaʊər li, -ˈaʊ ər-, ˈhɑf-/ adjective 1. (def 3). 2. occurring every : a halfhourly interruption. adverb 3. at intervals: The bell rang halfhourly.